Find the measure of the numbered angle.

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a
220
b
110
c
90
d
180

The graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.