Find the largest open intervals where the function is concave upward.f(x) = x3 + 3x2 - 9x + 5
A. None
B. (-1, ?), (-?, -1)
C. (-?, -1)
D. (-1, ?)
Answer: D
Mathematics
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Find the area of the shaded region.
A. 18 B. 27 C. 36 D. 45
Mathematics
Factor the perfect square trinomial.x2 - 6x + 9
A. (x - 3)2 B. (x + 3)2 C. (x - 6)(x + 6) D. (x - 3)(x + 3)
Mathematics
For the given functions f and g, find the requested composite function value.f(x) = 4x + 6, g(x) = 2x2 + 1;
Find (g ? f)(1).
A. 18 B. 201 C. 46 D. 19
Mathematics
Provide an appropriate response.If P(A) = P(A?B), why must P(B) = P(B?A)?
What will be an ideal response?
Mathematics