Simplify.
A. 2x + 7
B. 
C. 14
D. 28
Answer: C
Mathematics
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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
Mathematics
Solve.log 8 8 = x
A. 2 B. 1 C. 0 D. 0.1
Mathematics
Solve.Suppose that $4000 is invested at an interest rate of 5.5% per year, compounded continuously. What is the doubling time?
A. 11.6 yr B. 12.6 yr C. 2 yr D. 13.6 yr
Mathematics
Simplify.
A. 
B. 
C. 
D. - 
Mathematics