Question

For the function y = 4x – 11, what is the output when the input is 10?

Answer 1

= 4x - 11

x is the input, y is the output.

So if you want to know what input is needed to get an output of 10, set y to 10 and solve for x:

10 = 4x - 11

21 = 4x

x = 21/4