Respuesta :

zxchpolotv
5x-56hdhdhhdjdjshdhdhdhdhdhd
themathexpertise

Answer:

The value of g(3) is 30.

Step-by-step explanation:

To find the value of g(any number), substitute that number for all values of x in the equation.

g(x) = x² + 7x

g(3) = (3)² + 7(3)

g(3) = 9 + 7(3)

g(3) = 9 + 21

g(3) = 30