Find the intercepts of the function f(x).f(x) = (x + 1)(x - 9)(x - 1)2
A. x-intercepts: -1, 1, 9; y-intercept: 9
B. x-intercepts: -1, 1, -9; y-intercept: -9
C. x-intercepts: -1, 1, -9; y-intercept: 9
D. x-intercepts: -1, 1, 9; y-intercept: -9
Answer: D
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Use implicit differentiation to find dy/dx.x7 = cot y
A. - 
B. 
C. - 
D. 
For an election with four candidates (A, B, C, and D) we have the following preference schedule:
The ranking of the candidates using the pairwise comparisons method is
A. first: C; second: A; third: D; fourth: B. B. first: C; second: B; third: A; fourth: D. C. first: C; second: B; third: D; fourth: A. D. first: B; second: C; third: A; fourth: D. E. none of these
Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.The height of a bouncing ball during one bounce, as a function of time.
A. quadratic; negative B. quadratic; positive C. linear; positive D. linear; negative
Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = -4 + 3x2 - 5
A. opens down B. opens up