Multiply and simplify.18 
A. 
B. -162
C. -2
D. 2
Answer: C
Mathematics
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Factor the trinomial by grouping.7x2 + 17x - 12
A. (x + 3)(7x - 4) B. (x - 3)(7x + 4) C. (x - 4)(7x + 3) D. prime
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Find the domain of the composite function f ? g.f(x) = 
; g(x) = 
A. all real numbers
B. {x | x ? 2}
C. 
D. {x| x ? 2}
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Solve the exponential equation and approximate the result, correct to three decimal places.2x = 13
A. 1.872 B. 0.270 C. 6.500 D. 3.700
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Solve the problem.The number of bacteria growing in an incubation culture increases with time according to B = 4400(3)x, where x is time in days. Find the number of bacteria when x = 0 and x = 5.
A. 13,200 bacteria, 1,069,200 bacteria B. 4400 bacteria, 66,000 bacteria C. 4400 bacteria, 1,069,200 bacteria D. 4400 bacteria, 118,800 bacteria
Mathematics