Question

The function rule is y=2x-1. If the input is 3 what is the output. I need help it important please someone help

Answer 1

The output is 5

Explanation:

we have

`y=2x-1`

In this linear equation the input is the variable x and the output is the variable y

so

If the input is 3

That means ------> x=3

substitute the value of x in the equation and find the value of y (output)

`y=2(3)-1=5`