Question

If g(x) = x2 + 3, find g(4).

11

19

16

8

Answer 1

replace x by 4
you get

g(4) = 4^2 + 3 = ?

Answer 2

19?

Answer 3

Yes, 19 is correct. \[g(4) = 4^2+3 = 4*4 + 3 = 16+3 = 19\]