Answer:
y = 1/3x+6
Explanation:
Step 1
- Rewrite f(x) as y
f(x) = 3x-18 => y = 3x-18
Step 2
- Swap x and y
y = 3x-18 => x = 3y-18
Step 3
- Slove for y (By that it means isolate y)
x = 3y-18 (+18 both sides)
x+18 = 3y (Then divide both sides by 3)
1/3x+6 = y
Final Answer:
y = 1/3x+6