Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.ln x + ln (x + 6) = -5

A. -6 +  ? 0.002
B.  ? 3.001
C.  ? -6.001
D.  ? 0.001


Answer: D

Mathematics

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Solve the problem.Under certain conditions, the power P, in watts per hour, generated by a windmill with winds blowing v miles per hour is given by P(v) = 0.015v3. Find the power generated by 14-mph winds.

A. 41.16 watts per hr B. 2.94 watts per hr C. 2744 watts per hr D. 0.00004725 watts per hr

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Find the derivative at each critical point and determine the local extreme values.y = x2

A.

B.

C.

D.

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Evaluate the expression using the given value of the variables.-3x2 + 5y2 for x = 2, y = 2

A. 14 B. -32 C. -2 D. 8

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Find all complex zeros of the polynomial function, and write the polynomial in completely factored form.f(x) = x3 - x2 + 9x - 9

A. f(x) = (x - 1)(x + 1)(x + 9) B. f(x) = (x - 1)(x + 3)(x - 3) C. f(x) = (x - 1)(x + 3i)(x - 3i) D. f(x) = (x - 25)(x + i)(x - i)

Mathematics