Function Tables
If a function rule is 4 - x, what is the output for the input 2?
2
Write an equation to represent each function.
input, x ------ 1 2 3 4 5
output, y ---- 7 14 21 28 35
y = 7x
What is a mathematical sentence indicating that 2 quantities are NOT equal?
inequality
Her earnings were no more than $64.
e < 64
What is the inverse operation for subtraction
Addition
If a function rule is 2x - 3, what is the output for the input 3?
3
Write an equation to represent each function.
input, x ------ 5 6 7 8 9
output, y ---- 0 1 2 3 4
x - 5
Determine which number is a solution of the inequality
18 + a > 21; 2, 3, 4
4
Will the graph of this inequality have an open or closed dot?
r ≥ 5
closed
Solve the inequality 6x > 12
x > 2
Determine the function rule and the 10th term in the sequence.
position: 1 2 3 4
value of term: 5 10 15 20
5n
10th term: 50
MUSICALS The table below shows the admission price to the school musical. Write an equation to describe the data.
Number of people / Total Admission
1 / $6
2 / $12
3 / $18
6n
Determine which number is a solution of the inequality
16 + j ≥ 29; 13, 12, 11
13
Write an inequality for the situation
A minimum number of 12 participants is required to hold a bike rally.
n ≥ 12
Double Jeopardy
Solve the inequality k + 14 ≥ 22
8
Determine the function rule and the 10th term in the sequence.
position: 5 6 7 8
value of term: 2 3 4 5
n - 3
10th term: 7
Double Jeopardy
TELEPHONE A cell phone company charges $40 per month plus $2 for each minute of time used out of the service area. Write the equation that describes the amount y that a cell phone user would pay if they used the phone for x minutes out of the service area.
y = 40 + 2x
Is the given value a solution of the inequality?
2 + s ≥ 10; s = 7
no
On interstate highways, the minimum allowable lane width is 12 feet. Write and graph an inequality to show the possible width of a lane.
m ≥ 12
Cindy is making party bags for 7 of her birthday party guests. She does not want to spend more than $42 on the party favors. Write and solve an inequality to represent this situation.
7p ≤ 42
p ≤ 6
What is the independent variable on a graph?
The x-axis or y-axis
x-axis
What are the y coordinates of the function equation? If x = 0, 1, 2
y = 5x + 1
1, 6, 11
Is the given value a solution of the inequality?
j - 11 ≥ 20; j = 32
yes
Traveling salespeople for a book company are paid no more than $250 for each trip they take to sell books. Write and graph an inequality to describe the amount salespeople are paid per trip.
t ≤ 250
Rami is taking 3 of his friends to a baseball game. He has no more than $25 to spend on snacks. Write and solve an inequality to find the most he can spend on snacks for each of his friends including himself.
4s ≤ $25
s ≤ $6.25