Unit 4 Quiz Study Guide (Quadratics)

• 18

• -9

• 9

• 3

• -3
• 3
• 0
• 2

The graph shows the height h, in feet, of a football at the time t, in seconds, from the moment it was kicked at ground level. Find the average rate of change in height from t= -1 seconds to t= 1 seconds.

• m = -2

• m = 2

• m = 0

• m = -4

f(x) = 2x² + 12x + 16
What is the average rate of change of f(x) on the interval [-3, -2].

• 2
• 1/2
• -2
• -1/2

• 18

• -9

• 9

• 3

What is the range of the function?

*Hint: Range is all of the y-values included in the function.

• All real numbers

What is the range of this function?

• All real numbers.
• [0, 4]

What is the domain of this function?

• All real numbers.
• Integers greater than 0.

• Real numbers greater than 4.

• the integers

What gives you the domain of the function y = -3x² +7x - 2?

• (0, -2)

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

• (0.33, 0)

• (1.16, 2.08)

• (0, -2)

• (2, 0)