Question

Use the equation: y = –2x2 + 4x + 2 with x ≥ 1.

Using the vertical line test, you can conclude:

a. The equation is a function as it intersects the graph at only one point.
b. The equation is not a function as it intersects the graph at only one point.
c. The equation is a function as it intersects the graph at exactly 2 points.
d. The equation is not a function as it interesects the graph at exactly 2 points.