Find the equation that the given graph represents.
A. f(x) = -x3 + 20x
B. f(x) = x3 - 4x2 + 20x
C. f(x) = -x3 + 4x2 - 9
D. f(x) = x3 + 9x
Answer: A
Mathematics
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Find the exact value of the expression 
°
°.
What will be an ideal response?
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A. x-intercept: 2; y-intercept: 2 B. x-intercept: - 1; y-intercept: - 1 C. x-intercept: - 1; y-intercept: 2 D. x-intercept: 2; y-intercept: - 1
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The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log3(x + 1) B. y = log3x C. y = log3x + 1 D. y = log3(x - 1)
Mathematics