Find the function value.Find f(-6) when f(x) = 9 - 3x2.
A. 117
B. 45
C. 27
D. -99
Answer: D
Mathematics
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (sin x)cos x
A. (sin x)cos x(cos x cot x - sin x ln (sin x)) B. cos x ln ( sin x) C. cos x cot x - ln (sin x) D. cos x cot x - sin x ln(sin x)
Mathematics
Evaluate the expression.(-2)0
A. 0 B. 1 C. -2 D. -1
Mathematics
Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 - 8x - 2y + 1 = 0 
A. (h, k) = (-4, -1); r = 4
B. (h, k) = (4, -1); r = 4
C. (h, k) = (-4, 1); r = 4
D. (h, k) = (4, 1); r = 4
Mathematics
Simplify the expression.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics