Suppose the position of an object moving in a straight line is given by the specified function. Find the instantaneous velocity at time t.s(t) = t3 + 5t + 9, t = 2
A. 26
B. 11
C. 17
D. 9
Answer: C
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Solve the problem.Find the area of the shaded region. Express the answer in terms of ?.
A. 49 - 
? square units
B. 
? + 49 square units
C. 196 - 49? square units
D. 49 - 
? square units
Solve the problem.Gretta wants to retire in 13 years. At that time she wants to be able to withdraw $12,500 at the end of each 6 months for 14 years. Assume that money can be deposited at 6% per year compounded semiannually. What exact amount will Gretta need in 13 years?
A. $234,551.37 B. $239,855.63 C. $229,087.88 D. $598,782.00
Factor the trinomial.14 + 5x - x2
A. (2 + x)(7 - x) B. (x - 2)(x + 7) C. (2 - x)(7 - x) D. (2 - x)(7 + x)
Find the numerical value of the expression for 
and 
x + 9
A. a) 5 b) 9 B. a) 27 b) 13 C. a) 36 b) 162 D. a) 13 b) 27