3 Select the correct answer from each drop-down menu.
The annual enrollment of a university for the last nine years is recorded in the table,
00
9
7
6
5
4.
3
1
2
Year
8.5
9
8.5
7.5
6.5
6.5
8.5
8
9.5
Students (thousands)
What quadratic function best models this set of data?
y =
I2+
I+
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Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.