Hi!
Let's begin, shall we?
f(4)=20-(4)^2
We are just substituting the x for 4.
f(4)=20-16
f(4)= 4
Smiles! :)
ok
i don't know how to do this
f(x)=20-x^2
find f(4)
1 answer
i don't know how to do this
f(x)=20-x^2
find f(4)
1 answer