Solve the problem.How long will it take for prices in the economy to double at a 7% annual inflation rate? Round the answer to the nearest hundredth.

A. 16.24 yr
B. 23.45 yr
C. 10.24 yr
D. 9.01 yr

Answer: C

Mathematics

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Write the following in simplest form using positive exponents.410 ÷ 5?4

A. 414
B.
C. 4-6
D. 46

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Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(x4y5)7/3

A. x12/7y15/7 B. x28/3y35/3 C. x19/3y22/3 D. x35/3y28/3

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Mathematics

Determine if the following is a function or not. The set of whole numbers f(x) = , where x ? {1, 4, 9, 25, 36}.

A. Yes B. No

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Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x4 + 2x3 - 19x2 - 8x + 60

A. (x - 2)(x + 2)(x + 3)(x - 5); -2, 2, 3, -5 B. (x - 2)(x + 2)(x - 3)(x + 5); 2, -2, 3, -5 C. (x - 2)(x + 2)(x - 3)(x + 5); -2, 2, -3, 5 D. (x - 2)(x + 2)(x - 3)(x - 5); 2, -2, 3, 5

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Mathematics