Solve.
= 20 - x
A. -25, -16
B. ±
C. ±9
D. 16
Answer: D
Mathematics
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Find the root. Round to three decimal places if necessary.
A. 0.500 B. 1.837 C. 1.5 D. 1.355
Mathematics
Solve the problem.A woman deposits $447 in the bank, and each month afterward deposits 4% more than the month before. How much did she deposit for the year?
A. $715.66 B. $6028.40 C. $12.48 D. $6716.54
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = x2 + 3, x ? 0
C. f-1(x) = x2 - 3, x ? 0
D. f-1(x) = (x - 3)2
Mathematics
Find the least common multiple of the given polynomials.x2 - 5x - 24, x2 - 9, x2 - 11x + 24
A. (x + 8)(x + 3)(x - 3) B. (x + 8)(x - 3)2 C. (x - 8)(x + 3) D. (x - 8)(x + 3)(x - 3)
Mathematics