First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = -x2 + 17x - 72
A. x-intercepts: -8 and -9; y-intercept: 72
B. x-intercepts: 8 and -9; y-intercept: 17
C. No x-intercepts; y-intercept: -72
D. x-intercepts: 8 and 9; y-intercept: -72
Answer: D
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