If g(x)=x^2+3, how do you find g (4)?

2 Answers
Nov 16, 2016

g(4)=19

Explanation:

g(x)=x^2 +3

g(4)=(4)^2 +3 : Substitute 4 in for x.

g(4)=16+3 : 4^2=16

g(4)=19 : 16+3=19

Nov 16, 2016

Given g(x) = x^2 + 3, g(4) = 19.

Explanation:

To find g(4), substitute 4 for x in the function.

g(x) = x^2 + 3
g(4) = (4)^2 + 3
g(4) = 16 + 3
g(4) = 19