Function or Not
Functions
Equations
Volume
System of Equations
100
Which of the tables below are functions? Select all the apply (Question 2)
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.
y = 0.62x
100
2x+10=x-5
x = -15
100
Find the volume of the sphere below
V = 14.2 pi cm3
100
Solve the system.
y = 4x - 2
y = 2x + 4
(3 , 10)
200
function or na?
not a function
200
Milo washes cars at a constant rate. The following tables shows their data. Write an equation to represent the table below.
y = 5x
200
3(x-4)=2x+4
x = 16
200
Find the volume of the cylinder below
V = 128pi m3
200
Is (5 , 0) a solution to the system?
2x + 5y = 10
x + y = 5
Yes
300
Input a value so that the table IS NOT a function
cannot write 8
300
A football is thrown into the air. Its graph is shown below. What is the approximate height of the football after 2 seconds?
approximately 10 feet
300
Insert a value to make the equation have no valid solution.
3 (2x + ___) = 6x + 15
cannot write 5
300
Find the volume of the cone below. Leave in terms of pi
V = 3200pi cm3
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 function?
Yes
400
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.
$3.10
400
Which ordered pair is a solution to the equation
y = 2x +10
a. (2,2)
b. (3,16)
c. (4,10)
b
500
Evaluate
f(3)=2x+5
11
500
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.
3 seconds