Answer:
The coefficient of variation after the tax is imposed is 0.033
Step-by-step explanation:
Given
--- mean
--- variance

Required
The coefficient of variation
The coefficient of variation is calculated using:

After the tax, the new mean is:



And the new variance is:



So, we have:




F(x) = x-3 and g(x) = x+11
f(x) *g(x) = (x-3)(x+11) = x^2 +11x -3x -33 = x^2 +8x -33
so choice D. is right
hope helped
Rewrite in standard form and use this form to find the vertex
(h,k).(0,7)
then just graph the (0,7) the just down cross the line down like a triangle
I believe C/12=pi which means the answer would be B.