If a projectile is launched straight upward from the ground with an initial velocity of v0 (in feet/second), then the height (in feet) of the projectile after t seconds is given by the expression -16t2 + v0t. Find the height of the projectile (in feet) that was launched with the given initial velocity after t seconds.150 feet/second, 7 seconds
A. 266 feet
B. 38 feet
C. 938 feet
D. 1834 feet
Answer: A
Mathematics
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A. ± 
B. ± 
C. ± 
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Solve. Write a mixed numeral for the answer.A rectangular lot measures 286
feet by 220
feet. A building with dimensions of 120 feet by 35
feet is built on the lot. How much area is left over?
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ft2
B. 58,630
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Multiply and simplify.
? 
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B. 
C. 
D. 
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Determine where the function is increasing and where it is decreasing.f(x) = x2 + 4x + 4
A. increasing on (-?, -2) decreasing on (-2, ?) B. increasing on (-2, ?) decreasing on (-?, -2) C. increasing on (-?, 2) decreasing on (2, ?) D. increasing on (2, ?) decreasing on (-?, 2)
Mathematics