Perform the requested operation on the given function.f(x) = -4x2 + 7x - 8, g(x) = 5x + 9Find (f + g)(-2).
A. -36
B. -9
C. -39
D. -7
Answer: C
Mathematics
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Use graphical methods to solve the linear programming problem.40x + 80y ? 5606x + 8y ? 72x ? 0y ? 0Maximize P = 8x + 12y
A. Maximum of 96 when x = 9 and y = 2 B. Maximum of 120 when x = 3 and y = 8 C. Maximum of 92 when x = 4 and y = 5 D. Maximum of 100 when x = 8 and y = 3
Mathematics
Find the vertex of the parabola.
?
?
Please enter your answer as an ordered pair.
What will be an ideal response?
Mathematics
Solve the problem.For what numbers x, 0 ? x ? 2?, does cos x = 1?
A. 
B. 0, 2?
C. 
, 
D. none
Mathematics
Factor completely. If the polynomial cannot be factored, write "prime."x2 + 8x + 15
A. (x - 5)(x - 3) B. (x + 15)(x - 1) C. (x + 15)(x + 8) D. (x + 5)(x + 3)
Mathematics