For the function f: R ->R, f(x) = 7 - , find:
f' (-1).Show all working

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2