Question

If f(x) = 5 + 4( x - 4)^2

then what is f(7)

Answer 1

f(7)=39

Explanation:

f(7)=5+4((7)-4)^2

=5+4(3)^2

=5+4(9)

=5+36

=39

Answer 2

41

Explanation:

f(7) = 5 + 4(7-4)²

= 5 + 4(3²)

= 5 + 4(9)

= 5 + 36