Question

If f(x)=3x^2+15, what is the value of f(4).

Answer 1

Step-by-step explanation: f(4)=3x^2+15

3(4)^2+15

3*16+15

3*16=48

48+15=63

f(4)=63

Answer 2

f(4) = 3×4^2+15

4^2=16

3×16

48+15

63

f(4)=63