Question

Which of the following is a point on the graph as described by the function y=(2x+1)2−4
?(1 point)
Responses

(0,−2)

left parenthesis 0 comma negative 2 right parenthesis

(−1,−5)

left parenthesis negative 1 comma negative 5 right parenthesis

(1,2)

left parenthesis 1 comma 2 right parenthesis

(−1,−3)

Answer 1

Plug in x = −1: y = (2(−1) + 1)^2 − 4 = (−2 + 1)^2 − 4 = (−1)^2 − 4 = 1 − 4 = −3.

So (−1, −3) is on the graph.