Find the Average Rate of Change of the Function

Multiple Choice

f(x) = 9-3x
g(x) = 5x-7
Find f(x)+g(x). 

• 14x-10
• -8x+2
• 2x+2
• 2x-2

Multiple Choice

Find the average rate of change of Pete's height from 3 years old to 5 years old.

• 2 inches per year
• 8 inches per year
• 2 years
• 4 inches per year

Multiple Choice

Find the average rate of change over the given interval. 

• -2
• 2
• -1
• -0.5

Multiple Choice

An object is thrown upward from a height of 60 feet with an initial velocity of 48 feet per second. The height of the object t seconds after it is thrown is given by h (t) = -16t² + 48t + 60.

What is the average velocity from t = 1 to t = 3?

• 8 feet per second

• -8 feet per second

• 16 feet per second

• -16 feet per second

Multiple Choice

The distance d (measured in a number of feet) between Brianna and her house is modeled by the formula, d = t²+ 1 where t represents the number of seconds since Brianna started walking.

What is Brianna’s average speed, in feet per second, for the time period where t = 2 to t = 7 ?

• 9

• 5

• -5

• -9

Multiple Choice

• 1

• 2

• 3

• 4

Multiple Choice

• 1

• 2

• 3

• 4

Multiple Choice

• 1

• 2

• 3

• 4

Multiple Choice

Practice: Which Formula is set up correctly given

$$f\left(x\right)=2x^2$$  over the interval  $$-2\le x\le4$$  

• $$m=\frac{32-8}{4-\left(-2\right)}$$  

• $$m=\frac{32-8}{\left(-2\right)-4}$$  

Multiple Choice

f(x) = x²+9
g(x) = x-9
Find f(x)-g(x). 

• x²+x+9
• x²-x+9
• x²-x
• x²-x+18

Multiple Choice

f(x) = 4x+8
g(x) = x+3,
Find f(x) * g(x)

• 4x²+24
• 4x²+20x+24
• 4x²+12x+24
• 4x²+4x+24

Multiple Choice

f(x) = x²+9
g(x) = x-9
Find f(x)-g(x). 

• x²+x+9
• x²-x+9
• x²-x
• x²-x+18

Multiple Choice

What is the value of f(0)?

• -2
• 2
• 4
• 0

Multiple Choice

Use the given function or the graph to find the average rate of change

• 3

• -3

• 3/2

• -1/3

Multiple Choice

Which of the following graphs has the largest average rate of change from -1 to 2?

Multiple Choice

Find the average rate of change of f(x)=2x²+3x-1 from 1 to 2.

• 18

• -9

• 9

• 3

Multiple Choice

What is the average rate of change of [1, 5]?

• -0.65
• -0.75
• 3.75
• 4

Multiple Choice

What is Bob's rate of change from 0 seconds to 50 seconds?  BE SURE TO SIMPLIFY!!!

• 100 meters per 50 seconds
• 5 meters per second
• 2 meters per second
• 20 meters per second