Graph the integrand and use geometry to evaluate the integral.
A. 63
B. 126
C. 77
D. 105
Answer: C
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Decide whether the statement is true or false.There exists a rational number that is an integer.
A. True B. False
Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Write an equation expressing the velocity, V, in terms of the number of seconds, t. Use this function to predict the velocity of the object at time 
A. 46.5 feet per second B. 44.5 feet per second C. 43.2 feet per second D. 45.2 feet per second
Solve the problem.The parking lot at a shopping mall has 70 cars in it. 90% of the cars are four-door. How many cars are four-door?
A. 78 cars B. 8 cars C. 63 cars D. 630 cars
Solve the problem.An auto mechanic finds that the interval time I, in minutes, between scheduled appointments must be related to the total number of minutes T that he is open each day and the number of scheduled oil changes N according to the formula 
If he wants to be open 10 hours each day, and feels that he can do each oil change in 15 minutes, how many appointments should he make in one day?
A. 0 B. 1 C. 97 D. 43