Find the inverse of the function.f(x) = 
, x ? 7
A. f-1(x) = x2 - 7, x ? 0
B. f-1(x) = x + 7, x ? 0
C. Not a one-to-one function
D. f-1(x) = x2 + 7, x ? 0
Answer: D
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Factor by any method.81x2 - 4
A. (9x - 2)2 B. (81x + 1)(x - 4) C. (9x + 2)(9x - 2) D. (9x + 2)2
Provide an appropriate response.What is always the last step when dividing a polynomial by a polynomial?
What will be an ideal response?
Use slack variables to convert the constraints into linear equations.Maximizez = 1.1x1 + 2.6x2Subject to: 1.9x1 + 1.5x2 ? 22 1.6x1 + 1.3x2 ? 31with:x1 ? 0, x2 ? 0
A. 1.9x1 + 1.5x2 = s1 + 22 1.6x1 + 1.3x2 = s2 + 31 B. 1.9x1 + 1.5x2 + s1 = 22 1.6x1 + 1.3x2 + s2 = 31 C. 1.9x1 + 1.5x2 + s1 = 22 1.6x1 + 1.3x2 + s1 = 31 D. 1.9x1 + 1.5x2 + s1 ? 22 1.6x11 + 1.3x2 + s2 ? 31
Determine whether the pair of rational expressions is equivalent.
and 
A. Not Equivalent B. Equivalent