Factor completely. If the polynomial cannot be factored, say it is prime.12x3 + 35x2 + 25x
A. x(4x + 5)(3x + 5)
B. (4x2 + 5)(3x + 5)
C. x(3x + 5)(4x + 5)
D. x2(4x + 5)(3x + 5)
Answer: A
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Add and simplify. If the answer is an improper fraction, write it as a mixed number.
+ 
A. 
B. 
C. 
D. 
Use algebraic and/or graphical methods to solve the inequality.
? 
A. -1 < x ? 
or 5 < x ? 
B. -1 < x < 
or 5 < x < 
C. -1 < x ? 
or 5 < x ? 
D. -1 < x ? 
or 5 < x ? 
Solve the problem.The rational function C(x) = 
, 0 ? x < 100describes the cost, C, in millions of dollars, to inoculate x% of the population against a particular strain of the flu. Determine the difference in cost between inoculating 70% of the population and inoculating 50% of the population. (Round to the nearest tenth, if necessary.)
A. $0.8 million B. $0.9 million C. $186.7 million D. $186.6 million
Write the logarithmic equation as an exponential equation.ln x = 7
A. 7e = x B. e7 = x C. ex = 7 D. x7 = e