Given f(x) = 3x + 4. What is f(8) ?
f(x) = 3 x + 4f(8) = 3 * 8 + 4f(8) = 24 + 4f(8) = 28hope this helps!
Let's solve for x
f(8)= 3x+4
Divide both sides by 8
8f=8 = 3x+4/8
f= 3/8 x + 1/2
I hope that's help !