Answer: f(x) = 2x+1
Step-by-step explanation: Substitute the variable with the “x” values in the chart to check your answers.
1. f(x) = 2x+1
Add in the “x” value
f(x) = 2x(-1) or 2 multiplied by -1
f(x) = -2 + 1
If the answer is equal to your “y” value , it can represent the function.
