Question

Please help me!
If f(x) = 3x^2 -3 then what is f(4)?
Show work

Answer 1

f(4)= 45

Explanation:

f(x)=3x^2-3. (1)

f(4)=?

so we have to put x=4 in equation (1)

we get

f(4)=3[(4)^2]-3

f(4) =3(16)-3

f(4)= 48-3

f(4)= 45 Answer...