Midterm Review #3

Which equation represents this graph?

• f(x) = -(x + 2)² - 4

• f(x) = (x - 2)² + 4

• f(x) = (x - 2)² - 4

• f(x) = -(x - 2)² - 4

What is the vertex of

f(x) = 2(x - 5)² + 12

• (-5, -12)

• (5,-12)

• (5, 12)

• (-5, 12)

Convert the equation y= x² + 4x + 11 into vertex form.

• y = (x + 2)² - 4

• y = (x + 2)² + 7

• y = (x + 2)²

• y = (x - 2)² - 7

What is the y-intercept of the following funtion
f(x) = -2x² +3x - 7

• (0, -2)
• (0, 3)
• (0, -7)
• (0, 7)

Over what interval is the function in the graph negative?

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7
• -2
• -9
• -10

• 4

• 44

• 14

• 24

Solve for x.

5x² - 4 = 41

• x = ±9

• x = ±3

• x = ±8

• No Real Number Solution

Find the inverse of the function including any restriction on domain

• f^-1 = (x + 3)² − 4

• f^-1 = (x − 4)² + 3

• f^-1 = (x - 3)² + 4

• Inverse does not exist