Question

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

(−1,−5)

left parenthesis negative 1 comma negative 5 right parenthesis

(1,2)

left parenthesis 1 comma 2 right parenthesis

(−1,−3)

left parenthesis negative 1 comma negative 3 right parenthesis

(0,−2)

left parenthesis 0 comma negative 2 right parenthesis

Answer 1

Plug each x into y = (2x + 1)^2 − 4.

For x = −1: (2(−1)+1)^2 − 4 = (−1)^2 − 4 = 1 − 4 = −3.

So (−1, −3) is on the graph.