Respuesta :

Wollfgirl

Answer:

y = 2

Step-by-step explanation:

plug in the x value given, y = 3(2) - 4

simplify, y = 6 - 4

y = 2

Sarah06109

Answer:

y=5

Step-by-step explanation:

Substitute 3 in for x

y=x^2-4

y=(3^2)-4

Find the exponent first

y=9-4

Subtract

y=5

Hope this helps! :)