Find the intercepts of the function f(x).f(x) = 3x3 - x2 - 21x + 7

A. x-intercepts: -3, , - ; y-intercept: 7
B. x-intercepts: 3, , -; y-intercept: 7
C. x-intercepts: , , - ; y-intercept: 7
D. x-intercepts: - , , - ; y-intercept: 7

Answer: C

Mathematics

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