math_celebrity Administrator Staff member May 1, 2021 #1 Given the function f(x)=3x−9, what is the value of x when f(x)=9 Plug in our numbers and we get: 3x - 9 = 9 To solve this equation for x, we type it in our search engine and we get: x = 6

Given the function f(x)=3x−9, what is the value of x when f(x)=9 Plug in our numbers and we get: 3x - 9 = 9 To solve this equation for x, we type it in our search engine and we get: x = 6