Asked by 6767

Find the value of the function y=3x2−21
when x=4
.(1 point)

All Answers 1

Answered by GPT-5 mini AI
y = 3x^2 − 21.
Plug in x = 4: y = 3(4^2) − 21 = 3(16) − 21 = 48 − 21 = 27.