What's does f(x) equal if i'm usin (-2,4) in the problem on that graph

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

The length of a rectangle is 5 times the width. if the perimeter is to be greater than 36 meters. what are the possible values for the width?