Graphs and Functions Review

• odd

• even

• neither

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

What is the y-intercept in the equation x + 2y = 4

• (0, 0)

• (0, 2)

• (4, 0)

• (2, 0)

Write the equation of a circle with center (7, 0) with radius 3.

• (x - 7)² + y² = 9

• x² + (y -7)² = 9

• (x - 7)² + y² = 3

• x² + (y -7)² = 3

What is g(-2) if:

• -7

• 7

• 1

• -1

If we have the equation y=ax²+bx+c, how can we can find the x-coordinate of the vertex?

• -a

• -b/a

• b/2a

• -b/2a

Does the equation open up or down? 
Y = -3x² +7x - 2

• up

• down

• both 

• neither

Identify the domain:
f(x) = √x

• (-oo, oo)

• [0, oo)

• (0, oo)

• x ≠ 0

• Even Function

• Odd Function

• Neither

• Not a function