First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = x2 + 12x + 36

A. x-intercepts: 6; y-intercept: 36
B. x-intercepts: -6; y-intercept: 36
C. No x-intercepts; y-intercept: 72
D. x-intercepts: -6; y-intercept: 72


Answer: B

Mathematics

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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = (-2x + 7)5

A. y = 5u + 7; u = x5 = -10x4
B. y = u5; u = -2x + 7;  = 5(-2x + 7)4
C. y = u5; u = -2x + 7;  = -2(-2x + 7)5
D. y = u5; u = -2x + 7;  = -10(-2x + 7)4

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