Evaluate.Find (f - g)(4) when f(x) = -2x2 - 2 and g(x) = x - 1.

A. 30
B. -39
C. -29
D. -37


Answer: D

Mathematics

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Calculate. Write the answer in lowest terms and as a mixed number where appropriate.5 ÷ 

A. 42
B. 44
C. 41
D. 43

Mathematics

Find the requested composition of functions.Given f(x) = 4x2 + 3x + 5 and g(x) = 3x - 4, find (g ? f)(x).

A. 4x2 + 3x + 1 B. 12x2 + 9x + 11 C. 12x2 + 9x + 19 D. 4x2 + 9x + 11

Mathematics

Without solving, determine the character of the solutions of the equation in the complex number system.x2 + 2x + 2 = 0

A. two unequal real solutions B. two complex solutions that are conjugates of each other C. a repeated real solution

Mathematics

Factor.x4 - 18x2 + 81

A. x2(x - 9)2 B. (x2 - 9)2 C. (x2 + 9)2 D. prime

Mathematics