Perform the indicated operation. Assume that all variables are nonnegative.(3
)2
A. 36
B. 6
C. 9
D. 18
Answer: D
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Multiply. Write the answer in simplest form.
? 1
A. 1
B. 
C. 17
D. 
Solve the problem.Suppose you contribute to a fund that earns 
annual interest. What should your quarterly payment be if you want to accumulate 
in 15 years?
A. $2184.89 B. $2621.87 C. $17,479.12 D. $3277.34
Solve the problem.A baseball pitcher throws a baseball with an initial velocity of 128 feet per second at an angle of 20° to the horizontal. The ball leaves the pitcher's hand at a height of 4 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 120.28t; y = -16t2 + 43.78t + 4; 2.825 sec; 1.368 sec; 33.948 feet B. x = 120.28t; y = -16t2 + 43.78t + 4; 2.642 sec; 1.368 sec; 3.984 feet C. x = 120.28t; y = -16t2 + 43.78t + 4; 5.283 sec; 1.368 sec; 243.586 feet D. x = 120.28t; y = -16t2 + 43.78t + 4; 5.65 sec; 1.368 sec; 29.948 feet
Is the following correspondence a function??
A. No B. Yes