Question 1

Determine whether the function is one-to-one.
-

Accepted Answer

A) No 
B) Yes 
A) No 
B) Yes

Question 2

Determine whether the given function is one-to-one. If so, find a formula for the inverse.
-

Accepted Answer

A)    
B)    
C) Not a one-to-one function 
D)    
A)    
B)    
C) Not a one-to-one function 
D)

Question 3

Graph the relation using solid circles and the inverse using open circles.
-{(2, 5), (-2, -5), (8, -3), (-8, 3)}

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 4

Graph.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 5

Graph the relation using solid circles and the inverse using open circles.
-{(-16, -4), (-14, -7), (18, 12)}

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 6

Find the inverse of the relation.
-{(-4, -3), (4, 3), (9, 5), (-9, -5)}

Accepted Answer

A) {(-3, -4), (-4, 4), (5, 9), (-5, -9)} 
B) {(-3, -4), (3, 4), (5, 4), (-5, -9)} 
C) {(-3, -4), (3, 4), (5, 9), (-5, -9)} 
A) {(-3, -4), (-4, 4), (5, 9), (-5, -9)} 
B) {(-3, -4), (3, 4), (5, 4), (-5, -9)} 
C) {(-3, -4), (3, 4), (5, 9), (-5, -9)}

Question 7

Find f(x)and g(x)such that h(x)=  
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

Determine whether the function is one-to-one.
-

Accepted Answer

A) Yes 
B) No 
A) Yes 
B) No

Question 9

Solve the problem.
-The half-life of a certain radioactive substance is 17 years. Suppose that at time t = 0, there are 30 g of the substance. Then after t years, the number of grams of the substance remaining will be:   How many grams of the substance will remain after 136 years? Round to the nearest hundredth when necessary.

Accepted Answer

A) 0.47 g 
B) 1.88 g 
C) 0.94 g 
D) 0.23 g 
A) 0.47 g 
B) 1.88 g 
C) 0.94 g 
D) 0.23 g

Question 10

Find f(x)and g(x)such that h(x)=  
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 11

Find the requested composition of functions.
-Given   find g°f(x).

Accepted Answer

A)    
B) x + 12 
C) 7x + 36 
D) x 
A)    
B) x + 12 
C) 7x + 36 
D) x

Question 12

Graph.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 13

Determine whether the function is one-to-one.
-

Accepted Answer

A) Yes 
B) No 
A) Yes 
B) No

Question 14

Graph.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 15

Solve the problem.
-The half-life of Krypton 88 is 2.8 hours. If the formula   gives the percent (as a decimal)remaining after time t (in hours), sketch P versus t.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 16

Graph.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 17

Solve the problem.
-An accountant tabulated a firm's profits for four recent years in the following table:   The accountant then fit both a linear graph and an exponential curve (seen below)to the data, in order to estimate future profits. Use the linear graph to estimate the profits in the year 2001.

Accepted Answer

A) About $900,000 
B) About $800,000 
C) About $500,000 
D) About $700,000 
A) About $900,000 
B) About $800,000 
C) About $500,000 
D) About $700,000

Question 18

Find an equation of the inverse of the relation.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 19

Graph the equation of the relation using a solid line, and then graph the inverse of the relation using a dashed line.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 20

Solve the problem.
-An accountant tabulated a firm's profits for four recent years in the following table:   The accountant then fit both a linear graph and an exponential curve (seen below)to the data, in order to estimate future profits. Use the exponential graph to estimate the profits in the year 2002.

Accepted Answer

A) About $1,300,000 
B) About $1,000,000 
C) About $1,700,000 
D) About $750,000 
A) About $1,300,000 
B) About $1,000,000 
C) About $1,700,000 
D) About $750,000

Determine whether the function is one-to-one. -

Determine whether the given function is one-to-one. If so, find a formula for the inverse. -

Graph the relation using solid circles and the inverse using open circles. -{(2, 5), (-2, -5), (8, -3), (-8, 3)}

Graph. -

Graph the relation using solid circles and the inverse using open circles. -{(-16, -4), (-14, -7), (18, 12)}

Find the inverse of the relation. -{(-4, -3), (4, 3), (9, 5), (-9, -5)}

Find f(x)and g(x)such that h(x)= -

Determine whether the function is one-to-one. -

Find f(x)and g(x)such that h(x)= -

Find the requested composition of functions. -Given find g°f(x).

Graph. -

Determine whether the function is one-to-one. -

Graph. -

Solve the problem. -The half-life of Krypton 88 is 2.8 hours. If the formula gives the percent (as a decimal)remaining after time t (in hours), sketch P versus t.

Graph. -

Solve the problem. -An accountant tabulated a firm's profits for four recent years in the following table: The accountant then fit both a linear graph and an exponential curve (seen below)to the data, in order to estimate future profits. Use the linear graph to estimate the profits in the year 2001.

Find an equation of the inverse of the relation. -

Graph the equation of the relation using a solid line, and then graph the inverse of the relation using a dashed line. -

Solving Linear Equations and Inequalities

Graphs, Functions, and Applications

Systems of Equations

Polynomials and Polynomial Functions

Rational Expressions, Equations, and Functions

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Conic Sections

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Exam 8: Exponential Functions and Logarithmic Functions

Determine whether the function is one-to-one. -

Determine whether the given function is one-to-one. If so, find a formula for the inverse. -

Graph the relation using solid circles and the inverse using open circles. -{(2, 5), (-2, -5), (8, -3), (-8, 3)}

Graph. -

Graph the relation using solid circles and the inverse using open circles. -{(-16, -4), (-14, -7), (18, 12)}

Find the inverse of the relation. -{(-4, -3), (4, 3), (9, 5), (-9, -5)}

Find f(x)and g(x)such that h(x)= -

Determine whether the function is one-to-one. -

Find f(x)and g(x)such that h(x)= -

Find the requested composition of functions. -Given find g°f(x).

Graph. -

Determine whether the function is one-to-one. -

Graph. -

Solve the problem. -The half-life of Krypton 88 is 2.8 hours. If the formula gives the percent (as a decimal)remaining after time t (in hours), sketch P versus t.

Graph. -

Find an equation of the inverse of the relation. -

Graph the equation of the relation using a solid line, and then graph the inverse of the relation using a dashed line. -

Solving Linear Equations and Inequalities

Graphs, Functions, and Applications

Systems of Equations

Polynomials and Polynomial Functions

Rational Expressions, Equations, and Functions

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Conic Sections

Filters