Find the requested composition or operation.f(x) = 4 - 4x, g(x) = -2x + 4Find (f + g)(x).
A. -6x + 8
B. 2x
C. -2x + 8
D. -2x + 4
Answer: A
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Write the fraction in decimal form.
?
?
A. 0.02 B. 0.2 C. 5 D. 0.1 E. none of these
Answer the question.Consider a function f(x, y, z), where the independent variables are constrained to lie on the curve 
(t) = x(t)i + y(t)j + z(t)k. What mathematical fact forms the basis for the method of Lagrange multipliers?
A. f approaches a local extremum as ? ? 0.
B. ?f?
= 0
C. ?f??g = 0
D. ?g = 0
Use a calculator to find the approximate value of the composition. Round your answer to four decimal places. The expression may be undefined.cos (cos-1 (-0.9372))
A. -0.4686 B. 0.9372 C. 0.4686 D. -0.9372
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x3 + 3x2 - 8x + 10; x - 5
A. Yes B. No