Use the position equation 
, where 
represents the height of an object (in feet), 
style="vertical-align:middle;" /> represents the initial velocity of the object (in feet per second), 
represents the initial height of the object (in feet), and t represents the time (in seconds).
A projectile is fired straight upward from ground level 
with an initial velocity of 176 feet per second. At what instant will it be back at ground level?
?
A. 
Sec
B. 
Sec
C. 
Sec
D. 
Sec
E. 
Sec
Answer: A
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Write a negation for the statement.She earns more than me.
A. She earns the same as me. B. She earns less than me. C. She does not earn more than me. D. She does not earn less than me.
Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: 
How many hours of study are needed to score 87? Round to the nearest hundredth if necessary.
A. 101.06 hr B. 6.03 hr C. 24.50 hr D. 2.45 hr
Evaluate as specified.For f(x) = 256x, find f 
.
A. 32 B. 16 C. 2 D. 64
Use the given information to find the exact value of the trigonometric expression.cos ? = - 
; 
< ? < ?
Find tan(2?).
A. 
B. 
C. 
D. 