The following table shows the stopping distance D, in feet, for a car that is traveling at a speed of S miles per hour.
S 25 35 40 60 75 D 81 139 162 303 437?
Use power regression to determine the speed of a car that requires 157 feet to stop. Round your answer to two decimal places.
?
A. 37.36 miles per hour
B. 45.22 miles per hour
C. 38.54 miles per hour
D. 44.28 miles per hour
Answer: C
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Solve the problem.A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
A. 40 mph B. 50 mph C. 80 mph D. 20 mph
Provide an appropriate response.Think of each of the following processes as a function designated by the indicated letter. f: Hammering a nail into g: Removing a nail fromDescribe the function (g ? f)(board).
What will be an ideal response?
Write the series using summation notation.1 + 
+ 
+ 
+ 
+ ...
A. 
)
B. 
)
C. 
D. 
)
The graph of a rational function y = f(x) is given below. Use the graph to give the solution set of 
and 
Use set notation for part (a) and interval notation for parts (b) and (c).
A. (a) {-3, 3} (b) (-4, 4) (c) (-?, -4) ? (4, ?) B. (a) {0} (b) (-4, -3) ? (3, 4) (c) (-?, -4) ? (-3, 3) ? (4, ?) C. (a) {-3, 3} (b) (0, ?) (c) (-?, 0) D. (a) {-3, 3} (b) (-4, -3) ? (3, 4) (c) (-?, -4) ? (-3, 3) ? (4, ?)