Using the horizontal-line test, determine whether the function is one-to-one.f(x) = x3 - 3x + 3
A. Yes
B. No
Answer: B
Mathematics
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Factor the trinomial completely.x3 + 5x2 - 84x
A. x(x - 12)(x + 7) B. (x2 + 7)(x - 12) C. x(x + 12)(x - 7) D. (x2 + 12)(x - 7)
Mathematics
Determine a window which gives a complete graph of the polynomial function.f(x) = 4.5x3 + 12x2 - 82
A. [-2, 8] by [-250, 150] B. [-100, 100] by [-10, 10] C. [-6, 6] by [-50, 100] D. [-5, 5] by [-200, 50]
Mathematics
Select the correct graph for the following function using a graphing utility.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Determine if the equation is a proportion.
A. Yes B. No
Mathematics