Question

If f (x) = x-3, f (3)=

Answer 1

0

Explanation:

f (x) = x-3,

Let x = 3

f (3)= 3-3

= 0

Answer 2

f(3) = 0

Explanation:

Plug in 3 for x:

f(x) = x - 3

f(3) = (3) - 3

Simplify. Combine like terms:

f(3) = (3) - 3

f(3) = 3 - 3 = 0

f(3) = 0

f(3) = 0 is your answer.

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