Question

find the value of the function y=3x^2 - 21 when x = 4

y = __

Answer 1

[AI-generated answer — Bot GPT 3.5]

y = 3(4)^2 - 21

y = 3(16) - 21
y = 48 - 21
y = 27

Therefore, when x = 4, y = 27.