Translate the phrase to an algebraic expression. Use n as the number unless otherwise indicated.seven less than n
A. 7 - n
B. n + 7
C. n ÷ 7
D. n - 7
Answer: D
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Find the inverse of the function.f(x) = 
, x ? -7
A. f-1(x) = -x2 + 7, x ? 0 B. Not a one-to-one function C. f-1(x) = x2 - 49, x ? 0 D. f-1(x) = x2 - 7, x ? 0
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: 1, -1, and 4 - 2i
A. f(x) = x4 + 8x3 + 16x2 - 8x - 17 B. f(x) = x4 + 8x3 + 16x2 - 8x + 17 C. f(x) = x4 - 8x3 + 16x2 + 8x - 17 D. f(x) = x4 - 8x3 + 16x2 + 8x + 17
Solve the problem.The volume of a cylinder of radius r and height h is given by the polynomial V= ?r2h, where ? is an irrational number. Use 3.14 as an approximation for ?, and find the volume of a cylinder with a diameter of 6 inches and a height of 10 inches. Round to the nearest hundredth of an inch.
A. 282.60 in3 B. 376.80 in3 C. 565.20 in3 D. 1130.40 in3
Find the amount that should be set aside today to yield the desired future amount. Round to the nearest cent.
A. $9624.43 B. $8126.65 C. $8046.19 D. $753.81