Question

Question 6

Determine the horizontal asymptote, if any, of the graph of therational function f(x) = (x + 5)/(x² - 9x).

Select one:

A. y = -5

B. y = 0 (x-axis).

C. y = 1/2

D. y = 5/9

E. No horizontal asymptote

Question 7

Determine the horizontal asymptote, if any, of the graph of f(x) =2x²/(x² - 9).

Select one:

A. y = 3

B. y = -2/9

C. y = 2

D. y = 0

E. No horizontal asymptote

Question 8

AC(x) = gives the average per unitcost, in dollars, for manufacturing a certain model of computerprinter. As the number of printers produced gets verylarge, the average per unit cost will approach:

Select one:

A. $20x

B. $20.

C. $20,000/x

D. $20/x

E. Can't be determined.

Question 9

The time it takes to drive a certain distance is inverselyproportional to the rate of travel. If it takes 4 hoursat 50 miles per hour to drive the distance, how long will it takeat 40 miles per hour?

Select one:

A. 4.5 hours

B. 5 hours

C. 5.5 hours

D. 6 hours

E. None of the above.

Question 10

The distance that a body falls from rest is directly proportionalto the square ofthe time the body falls. If skydivers fall 144 feet in 3seconds, how far do they fall in 10 seconds?

Select one:

A. 480 feet

B. 830 feet

C. 4320 feet

D. 1600 feet

E. None of the above.