For problems 1-13, simplify each expression.
A. 
B. 
C. 
D. 
E. none of these
Answer: C
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Solve.The FDA approves a new drug and has confirmed by independent research that the strength of the reaction to the drug is given by the formula S(d) = 
?d2 - 
d3, where d is the dosage amount of the drug and ? is a constant. Find an equivalent expression for S(d) by factoring out a common factor.
A. d2(
? - 
d)
B. 
(
? - d)
C. 
(? - d)
D. d2(
? + 
d)
Solve the problem.If the force acting on an object stays the same, then the acceleration of the object is inversely proportional to its mass. If an object with a mass of 12 kilograms accelerates at a rate of 
per second per second by a force, find the rate of acceleration of an object with a mass of 
that is pulled by the same force.
A. 14 m/sec2 B. 8 m/sec2 C. 4 m/sec2 D. 16 m/sec2
Provide an appropriate response.The height h(t) of a rock thrown upward from the ground at a speed of 132 feet/sec is given by h(t) = 132t - 16t2, where t is the time measured in seconds. Find 
, the acceleration of the rock at time t.
What will be an ideal response?
Find the requested term in the sequence.The 100th term in 8, 13, 18, 23, 28, . . .
A. 503 B. 504 C. 508 D. 498