Solve the problem.A person standing on top of a 112-foot building throws a baseball upward. The height (above the ground) of the ball can be modeled by the following quadratic equation 
where h represents the height (in feet) of the ball and t represents the time (in seconds) since the ball was thrown. Determine the time that maximizes the height of the ball by finding 
A. 2 sec
B. 7 sec
C. 1 sec
D. 
sec
Answer: A
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Use the ac method to factor the trinomial, or state that the trinomial is prime.3x2 + x - 14
A. (3x + 7)(x - 2) B. (3x - 2)(x + 7) C. (3x - 7)(x + 2) D. (3x + 2)(x - 7)
Solve the problem.The value V (in dollars) of a certain investment after n years can be expressed asV = 7(1.08 + 1.082 + 1.083 + ... + 1.08n)Determine whether this series converges, and if the series converges, provide the sum.
A. Converges; 8.22 B. Converges; 94.50 C. Converges; 1.09 D. Diverges
Provide an appropriate response.A student insists on finding a common denominator by always multiplying the denominators of the expressions being added or subtracted. How could the student's approach be improved? Explain.
What will be an ideal response?
Write an equivalent rational expression with the given denominator.8m with denominator m - 3
A. 
B. 
C. 
D. 