Question

If f(x)=2x-4 and x=4

Solve for f(x):

Answer 1

dfyrexbjnyyfdc bgg hi ytdxvjud

Answer 2

4

Explanation:

f(x)=2x-4

• f(x)=2(4)-4
• f(x)=8-4
• f(x)=4

Just plug in 4 into x. If you get confused on what f(x) means, it basically is the output value or the y value. So when plugging in the number for f(x), I recommend not worrying about the symbol f(x) too much.