Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 22 sec
B. 44 sec
C. 33 sec
D. 11 sec
Answer: A
Mathematics
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Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = -x3 - 7
A. Yes B. No
Mathematics
Write an equation in slope-intercept form of the line with the given slope and y -intercept.m = - 
, (0, 0)
A. y = - 
B. y = - 
x
C. y = x - 
D. x = - 
Mathematics
Simplify.2112 ÷ (88 ÷ 8)
A. 8 B. 88 C. 24 D. 192
Mathematics
Provide an appropriate response.Write the set -7 ? x < -2 using interval notation.
A. (-?, -7) ? [-2, ?) B. (-?, -7] ? (-2, ?) C. (-7, -2] D. [-7, -2)
Mathematics