Question

If f(x) = x² + 1 and g(x) = 3x + 1, find [f(4)]².
a.81
b.257
c.289

Answer 1

17*17=289

Answer 2

17^2 = 289

Answer 3

\[(f(4))^{2}=((4)^{2}+1)^{2}= (16+1)^{2} = (17)^{2}= 289\]

Hope this helps!