Question

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

(1,2)
(
1
,
2
)
left parenthesis 1 comma 2 right parenthesis

(−1,−3)
(
−
1
,

Answer 1

(−1, −3)

Check: for x = −1, y = (2(−1)+1)^2 − 4 = (−1)^2 − 4 = 1 − 4 = −3. For x = 1, y = 5, so (1,2) is not on the graph.