Question 1

The height in feet of a projectile with an initial velocity of 65 feet per second and an initial height of 48 feet is a function of time t , in seconds, given by  . Find the time t when the projectile has a height of 0 feet. Round to nearest tenth of a second.

Accepted Answer

A) 5.5 s 
B) 5.1 s 
C) 3.8 s 
D) 4.7 s 
E) 6.4 s

Question 2

Determine whether  is an even function, an odd function, or neither.

Accepted Answer

A) even function 
B) neither 
C) odd function

Question 3

For the piecewise-defined function below, find

Accepted Answer

A)   
B) 8 
C) 3 
D) v 
E)

Question 4

A rental car company purchases an automobile for $20,600. The automobile requires an average cost of $7.60 per day in maintenance. The automobile rents for $60.00 a day. Find a linear function that expresses the total revenue R when the automobile has been rented for t days.

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 5

The sum of the length l and the width w of a rectangular region is 260 meters. Write w as a function of l .

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 6

Find the slope of the line that passes through the points  and  .

Accepted Answer

A) 8 
B) -8 
C) 0 
D) undefined 
E) 7

Question 7

Find the range of  .

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 8

Determine whether  is an even function, an odd function, or neither.

Accepted Answer

A) odd function 
B) even function 
C) neither

Exam 2: Functions and Graphs

The height in feet of a projectile with an initial velocity of 65 feet per second and an initial height of 48 feet is a function of time t , in seconds, given by . Find the time t when the projectile has a height of 0 feet. Round to nearest tenth of a second.

Determine whether is an even function, an odd function, or neither.

For the piecewise-defined function below, find

A rental car company purchases an automobile for $20,600. The automobile requires an average cost of $7.60 per day in maintenance. The automobile rents for $60.00 a day. Find a linear function that expresses the total revenue R when the automobile has been rented for t days.

The sum of the length l and the width w of a rectangular region is 260 meters. Write w as a function of l .

Find the slope of the line that passes through the points and .

Find the range of .

Determine whether is an even function, an odd function, or neither.