Question

Which function is a quadratic function?
t(x) = (x – 4)^2 + 3
q(x) = (2x + 4)^3 + 3
r(x) = (–6x – 4)^4 + 3(x + 2)^2
s(x) = –(x – 6) + 3(x + 1)

Answer 1

t(x) cause quadratic means the highest degree (exponent) is 2

Answer 2

look at your highest powers