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. 33 s
B. 11 s
C. 44 s
D. 22 s

Answer: D

Mathematics

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Solve the problem.Let f(x) =  (a) Does f'(0) exist?(b) Does f'(2) exist?(c) Does f'(-2) exist?(d) Determine all extrema of f.

What will be an ideal response?

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Mathematics

Simplify.5000 ? 1100

A. 55,000,000 B. 550,000 C. 55,000 D. 5,500,000

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Mathematics

Identify the following as an equation or an expression.17 = 7y

A. Expression B. Equation

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Mathematics

Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.ln  = 7

A. {e14 + 8}
B. {e7 - 8}
C. {e14 - 8}
D.

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Mathematics