What is the magnitude(size)of -8.5 plz help me

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Explain how you can use the associative property to evaluate (7x50)x4.

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)