What is f(-2) if f(x)= 1/2x?

a. -2
b. -1
c. 0
d. 1

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

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.