Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 + 4x - 5
A. (2, -9); x = 2
B. (-2, 9); x = -2
C. (2, 9); x = 2
D. (-2, -9); x = -2
Answer: D
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Given the graph of f, find any values of x at which f ' is not defined.
A. x = 5 B. x = 2 C. x = 2, 5 D. Defined for all values of x
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