Find the points of inflection.f(x) = - 
x3 + 6x2 - x
A. (3, -17)
B. (3, 0)
C. (3, 33)
D. (-3, 75)
Answer: C
Mathematics
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Is the function graphed one-to-one?
A. No B. Yes
Mathematics
Identify the vertex of the quadratic equation.f(x) = x2 - 7
A. (0, -7) B. (7, 0) C. (1, 0) D. (0, 7)
Mathematics
Find the least common denominator.
, 
A. 7a(a - 8) B. 7a3(a - 8)2 C. 7a2(a - 56) D. 7a2(a - 8)
Mathematics
Use the even-odd identities to find the exact value of the expression. cos (-?)
A. undefined B. 0 C. 1 D. -1
Mathematics