Question

Consider the function represented by 9x + 3y = 12 with x as the independent variable. How can this function be written using

function notation?

Answer 1

f(x)=4-3x

Explanation:

f(x) = y

Isolate y

9x+3y=12

3y=12-9x

y=4-3x

f(x)=4-3x