Functions
Using Equations
Interpreting Graphs
Volume
Random
100
Which of the tables below are functions? Select all the apply (Question 2)
What are Table 1 and 3 are functions
100
Ms. Stephens is buying bananas. Each banana costs $0.62 Let x be the number of bananas she buys and y be the total cost. Write an equation to represent this situation. (Question 4a)
What is y = 0.62x
100
A football is thrown into the air. Its graph is shown below. What is the approximate height of the football after 2 seconds? (Question 1a)
What is approximately 10 feet
100
Find the volume of the sphere below (Question 9)
What is V = 14.2 pi cm3
100
Ms. Stephens is saving money to buy a new car. Her savings, y, towards the car after x months is given by the equation y = 150x + 500
Is this equation a linear function?
What is yes because there are no exponents
200
Ms. Stephens is buying bananas. Let the input be the number of bananas she buys and the output be the total cost. Is this function discrete? (Question 4c)
What is discrete.
You can only buy a whole number of bananas.
200
Milo washes cars at a constant rate. The following tables shows their data. Write an equation to represent the table below. (Question 3c)
What is y = 5x
200
A football is thrown into the air. Its graph is shown below. Approximately how long does it take for the football to hit the ground. (Question 1b)
What is 3 seconds
200
Find the volume of the cylinder below (Question 8)
What is V = 128pi m3
200
Is the graph below a function?
What is no. It does not pass the vertical line test. Some inputs have multiple outputs
300
Which of the following functions are linear. Select all that apply (Question 6)
What are a, d, f
300
Ms. Stephens is buying bananas. The equation to represent the cost of bananas is y = 0.62x. Use this equation to figure out how much it would cost to buy 5 bananas. (Question 4b)
What is $3.10
300
Ms. Stephens was thinking about buying pizza from, Paulie Gee’s. Below is a graph that represents the cost of Paulie Gee's pizzas. How much does it cost for one Paulie Gee pizza? Hint: Find the unit rate. (Question 5b)
What is $16
5 pizzas cost $80, so 1 pizza must cost $16
300
Find the volume of the cone below (Question 7)
What is V = 3200pi cm3
300
Ms. Stephens is saving money to buy a new car. Her savings, y, towards the car after x months is given by the equation y = 150x + 500
What is the meaning of the coefficient of 150 in this equation?
What is she saves 150 per month
400
A function is shown in a table below. Let the input be the number of hours worked and the output be the number of cars washed. Is this a discrete function? (Question 3b)
What is Not Discrete
You can have a fraction of an hour. The input (time) is not limited.
400
The linear function y = 5x represents how many cars Milo washes per hour. What number does this function assign to the input 8? Fill in the blanks below.
The function assigns the number ____ to 8 which means in __ hours Milo washes ___ cars.
What is 40; 8; 40
400
You are given the function y = 0.62x. Use the equation to plot the point on the graph for inputs of (x-values) 0, 4, and 8. (Question 4d).
You can draw a graph and plot, or just write the outputs for each input.
What is (0,0), (4, 2.48), and (8, 4.96)
Input 0, Output 0
Input 4, Output 2.48
Input 8, Output 4.96
400
Calculate the volume of the object below
What is V = 917.33pi ft3
400
Ms. Stephens is saving money to buy a new car. Her savings, y, towards the car after x months is given by the equation y = 150x + 500
What is the meaning of the number of 500 in this equation?
What is the amount of money Ms. Stephens already had saved before she started saving
500
Describe a linear function for the number of cars Milo washes in x hours.
The number of cars Milo washes is a function of the number of ______ he washes cars for.
(Question 3a)
What is hours
500
Ms. Stephens is thinking of buying pizza from Ribaldi's. The table below shows their prices. Using the table how much would it cost to buy 1 pizza?
What is $12.95
500
A football is thrown into the air. Its graph is shown below. After the football reaches its peak height, how long does it take for it to fall 5 ft?
What is 1 second.
The peak height occurs at 1.5 seconds at 11 feet. At 2.5 seconds the ball is at 6ft. So after 1 second the ball has dropped 5 feet
500
Find the volume of the cylinder NOT occupied by the volume of the sphere (empty space)
What is 666.67pi m3
Find the volume of the cylinder and subtract the volume of the sphere.
2000pi m3 - 1333.33pi m3
500
Is the graph below a function?
What is yes because it passes the vertical line test (each input only has 1 output)