If f(x)=cu(x) then f'(x)=​

What is the measure of angle tvu shown in the diagram below

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

The coordinates of vortex a’ are (8,4) (-4,2) (4,-,4) the coordinates of vortex b’ are (6,6)(12,-,12)(12,12) the coordinates of vortex c’ are(-2,,12)(4,12)(12,-4)