Exam 2: Functions and Relations

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

Use the graph of y = f (x) below to graph y = f (-x) -Use the graph of y = f (x) below to graph y = f (-x) -

(Multiple Choice)
4.8/5
(31)

Choose the one alternative that best completes the statement or answers the question. -The number of accidents in 1 month involving drivers x years of age in a certain country can be approximated by the function f(x)=3x2150x+2,000f ( x ) = 3 x ^ { 2 } - 150 x + 2,000 Find the number of accidents in 1 month that involved 47-year olds.

(Multiple Choice)
4.9/5
(41)

Find the average slope of the ramp. -Find the average slope of the ramp. -

(Multiple Choice)
4.9/5
(36)

Write the word or phrase that best completes each statement or answers the question. Provide the missing information. -The graph of y=f(x)y = - f ( x ) is the graph of y=f(x)y = f ( x ) reflected across the ـــــــــــــaxis.

(Short Answer)
4.8/5
(29)

Use the slope-intercept form to write an equation of the line that passes through the given point and has the given slope. Use function notation where y = f(x). - (9,3);m=0( 9 , - 3 ) ; m = 0

(Multiple Choice)
4.8/5
(29)

Find f(x+h)f(x)h\frac { f ( x + h ) - f ( x ) } { h } for the given function. - f(x)=x311f ( x ) = x ^ { 3 } - 11

(Multiple Choice)
4.9/5
(33)

Find the indicated function and write its domain in interval notation. - s(x)=x4x236,t(x)=x64x,(st)(x)=?s ( x ) = \frac { x - 4 } { x ^ { 2 } - 36 } , t ( x ) = \frac { x - 6 } { 4 - x } , \left( \frac { s } { t } \right) ( x ) = ?

(Multiple Choice)
4.7/5
(34)

Find the slope of the ramp pictured below. -Find the slope of the ramp pictured below. -

(Multiple Choice)
4.9/5
(34)

The x- and y-axes divide the coordinate plane into four regions called________ .

(Short Answer)
4.9/5
(32)

Solve the problem. -Given f(x)=5x3+8f ( x ) = \left| - 5 x ^ { 3 } + 8 \right| , define m,n,hm , n , h , and kk such that f(x)=(mnhk)(x)f ( x ) = ( m \circ n \circ h \circ k ) ( x ) .

(Multiple Choice)
4.9/5
(26)

Determine if the function is linear, constant, or neither. - f(x)=53f ( x ) = \frac { 5 } { 3 }

(Multiple Choice)
4.9/5
(32)

Choose the one alternative that best completes the statement or answers the question. Graph the equation and identify the x- and y-intercepts. - 5x+4=245 x + 4 = 24

(Multiple Choice)
4.7/5
(39)

Determine if the function is odd, even, or neither. - f(x)=x38x2f ( x ) = \frac { - \sqrt [ 3 ] { x } } { 8 x ^ { 2 } }

(Multiple Choice)
4.8/5
(32)

Solve the problem. -If mm is one-sixth of nn , and pp is five less than mm , write pp as a function of nn .

(Multiple Choice)
4.9/5
(44)

Find the indicated function and write its domain in interval notation. - n(x)=x5,p(x)=x2+6x,(pn)(x)= ? n ( x ) = x - 5 , p ( x ) = x ^ { 2 } + 6 x , ( p \circ n ) ( x ) = \text { ? }

(Multiple Choice)
4.8/5
(38)

Solve the problem. -A student decides to finance a used car over a 5-yr (60-month) period. After making a down payment of $5,000\$ 5,000 , the remaining cost of the car including tax and interest is $13,140\$ 13,140 . The amount owed y=A(t)y = A ( t ) (in \$) is given by A(t)=13,140219tA ( t ) = 13,140 - 219 t , where tt is the number of months after purchase and 0t600 \leq t \leq 60 . Determine the tt -intercept and yy -intercept. Amount Owed on Vehicles after tt Months  Solve the problem. -A student decides to finance a used car over a 5-yr (60-month) period. After making a down payment of  \$ 5,000 , the remaining cost of the car including tax and interest is  \$ 13,140 . The amount owed  y = A ( t )  (in \$) is given by  A ( t ) = 13,140 - 219 t , where  t  is the number of months after purchase and  0 \leq t \leq 60 . Determine the  t -intercept and  y -intercept. Amount Owed on Vehicles after  t  Months

(Multiple Choice)
4.9/5
(33)

Solve the problem. -The graph shows the height h (in meters) of a roller coaster t seconds after the ride starts. Solve the problem. -The graph shows the height h (in meters) of a roller coaster t seconds after the ride starts.   a. Over what interval(s) does the height increase? b. Over what interval(s) does the height decrease? a. Over what interval(s) does the height increase? b. Over what interval(s) does the height decrease?

(Multiple Choice)
4.8/5
(28)

Choose the one alternative that best completes the statement or answers the question. From memory match each equation with its graph. - f(x)=xg(x)=1xh(x)=x2f(x)=\sqrt{x} \quad g(x)=\frac{1}{x} \quad h(x)=x^{2} I  Choose the one alternative that best completes the statement or answers the question. From memory match each equation with its graph. - f(x)=\sqrt{x} \quad g(x)=\frac{1}{x} \quad h(x)=x^{2}  I    II   III        II  Choose the one alternative that best completes the statement or answers the question. From memory match each equation with its graph. - f(x)=\sqrt{x} \quad g(x)=\frac{1}{x} \quad h(x)=x^{2}  I    II   III        III  Choose the one alternative that best completes the statement or answers the question. From memory match each equation with its graph. - f(x)=\sqrt{x} \quad g(x)=\frac{1}{x} \quad h(x)=x^{2}  I    II   III

(Multiple Choice)
4.7/5
(42)

Evaluate the function for the given value of x. - f(x)=8x,g(x)=5x25,(g+f)(x)= ? f ( x ) = 8 x , g ( x ) = - 5 x ^ { 2 } - 5 , ( g + f ) ( x ) = \text { ? }

(Multiple Choice)
5.0/5
(29)

Choose the one alternative that best completes the statement or answers the question. -Suppose the weight (in pounds) of a baby boy x months old, for his first 10 months, can be approximated by the function f(x)=1.3x+7.7f ( x ) = 1.3 x + 7.7 Find the predicted weight at the age of 1 months.

(Multiple Choice)
4.8/5
(34)
Showing 221 - 240 of 380
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)