Writing Function Rules
5 months ago
nlyson
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• Question 1
180 seconds
Q.

Find the function rule.

y = 2x

y = 2x+3

y = 3x+3

y = -2x+3

• Question 2
180 seconds
Q. Find the function rule.
y = -2x +10
y = -2x -10
y = 2x +10
y = 2x-10
• Question 3
180 seconds
Q. A pizzeria charges \$12 per pizza plus an additional \$3 for delivery. Which equation represents the cost of having any number of pizzas delivered?
c = 12p + 3
c = 12p
c = 3p
c = 12 + 3p
• Question 4
180 seconds
Q. Identify the function rule that best represents the following statement:
A bottle rocket is being launched from the roof of an 80 meter tall building. If the rocket travels straight up at a rate of 22 m/s, what is the total height of the rocket as a function of time?
H = 108x
H = 80 - 22x
H = 80 + 22x
H = 80x + 22
• Question 5
180 seconds
Q. Identify the function rule that best represents the following statement:
A soda machine sells drinks for 75 cents each. Let d represent the number of drinks bought and C represent the total cost.
d = \$0.75C
d = \$0.75 + C
C = \$0.75 + d
C = \$0.75d
• Question 6
180 seconds
Q. A plumber charges a service fee of \$40 plus \$25 per hour for labor.
(A) Write a function rule for the total cost of hiring the plumber for a job that takes x hours.
(B) How much would it cost to hire the plumber for a job that takes 4 hours?
(A) y = 40 + 25x
(B) \$140
(A) y = 40x + 25
(B) \$185
(A) y = 40 + 25x
(B) \$185
(A) y = 40x + 25
(B) \$140
• Question 7
180 seconds
Q. The school cafeteria has 285 cartons of milk in stock. Each day, a total of 60 cartons are sold. Which function rule best represents this situation?
y = 285x + 60
y = 285x - 60
y = 285 - 60x
y = 285 + 60x
• Question 8
180 seconds
Q. A water tank holds 84 gallons. When it began to leak it lost 3 gallons every hour. Write an equation to find the amount of water "y" the tank will have after "x" number of hours.
y = 84 - 3x
y = 3 - 84x
• Question 9
120 seconds
Q. Identify the function rule that best represents the following statement:
The total cost (C) for kilograms of beef (k) if each kilogram costs ​\$2.55
C = 2.55k
C = 2.55 + k
C = 2.55 - k
C = 2.55k + 2.55
• Question 10
180 seconds
Q. Identify the function rule that best represents the following statement:
An apple rolled off a 4 ft table and fell at an average velocity of 0.8 ft/sec. Let h represent the height off the ground of the apple and t the falling time.
h = 4 - 0.8t
h = 4 + 0.8t
h = 4.8t
h = 3.2t
• Question 11
180 seconds
Q. Identify the function rule that best represents the following statement:
The base price (P) of a pizza is \$4.99 plus an additional \$0.95 for each topping (t).
P = 4.99 - 0.95t
P = 4.99 + 0.95t
P = 5.94t
t = 4.99P + 0.95
• Question 12
900 seconds
Q.

What equation represents this function:

(1, -1), (2, 5), (3, 15), (4, 29), (5, 47)

y = -2x2 - 3

y = 2x2 + 3

y = 2x2 - 3

y = x2 - 3

• Question 13
900 seconds
Q.

What function represents these ordered pairs:

(2, -16), (3, -19), (4, -22), (5, -25), (6, -28)

y = -3x - 10

y = 3x - 10

y = ⅓x - 10

y = -⅓x - 10

• Question 14
900 seconds
Q.

What rule represents this function:

(1, 8), (3, 18), (5, 28), (7, 38), (9, 48)

y = -10x + 18

y = -5x + 13

y = 10x - 2

y = 5x + 3

• Question 15
900 seconds
Q. Find the function rule for the function table.
2/n
n + 2
2n
n - 2
• Question 16
900 seconds
Q. Write the function rule for the following table.
5x
5x + 1
x + 5
x + 1
• Question 17
900 seconds
Q. Patrick earns \$20 for every lawn that he mows. Write an equation used to find t, the total amount of money he earns from mowing n lawns.
n = 20t
t = 20n
t = n + 20
t = n - 20
• Question 18
900 seconds
Q. A pizzeria charges \$12 per pizza plus an additional \$3 for delivery. Which equation represents the cost of having any number of pizzas delivered?
c = 12p + 3
c = 12p
c = 3p
c = 12 + 3p
• Question 19
30 seconds
Q. The output is four times the input.
y = x/4
4x
y = 4x
y = x +4
• Question 20
30 seconds
Q. The number of multiple-choice questions on a test is ten times the number of open-ended questions.  Write a function that describes the relationship.
y = 10x
x = 10y
y = 10 + x
x = 10 + y
• Question 21
30 seconds
Q. The output is eight more than the input
y = x + 8
x + 8
x = y + 8
y = x - 8
• Question 22
30 seconds
Q. The output is eight less than three times the input.
y = 3x - 8
3x - 8
y = 8 - 3x
8 - 3x
• Question 23
30 seconds
Q. The output is 4 less than half the input.
y = 2x - 4
y = 4 - 2x
y = x/2 - 4
y = 4 - x/2
• Question 24
30 seconds
Q. The cost of admission for a student is 4 less than the cost of admission for an adult.
x - 4
4 - x
y = 4 - x
y = x - 4
• Question 25
30 seconds
Q. The output is one-third the input.
1/3x
3x
y = 1/3x
y = 3x
• Question 26
30 seconds
Q. The output is thirteen more than four times the input.
y = x/4 + 13
y = 4x + 13
y = 4x - 13
y = 4/x - 13
• Question 27
30 seconds
Q. Which equation matches the table?
y = x + 5
y = 5x
y = x - 5
x = y - 5
• Question 28
30 seconds
Q. Which equation matches the table?
y = x + 5
y = 6x
y = x + 6
times 6
• Question 29
30 seconds
Q. Which equation matches the table?
y = 3x + 9
y = x + 9
y = x + 3
y = 12x - 3
• Question 30
300 seconds
Q. What is the function of the table?
y=x*2
y=x+2
y=x/2
y=x-2
• Question 31
60 seconds
Q. What is the function of the table?
y=3x+1
y=4x-2
y=x+1
y=x+7
• Question 32
60 seconds
Q. y=x-6
What is the missing number?
12
10
14
13
• Question 33
300 seconds
Q. What is the equation of the linear function?
y = -3x + 10
y = -3x + 16
y = 3x + 10
y = 3x + 16
• Question 34
300 seconds
Q. Which equation matches the table?
y = x + 5
y = 5x
y = x - 5
x = y - 5
• Question 35
180 seconds
Q. What is the algebraic equation for this table?
y = 480x
x = y/480
x + 480 = y
480 - x = y
• Question 36
180 seconds
Q. What algebraic equation shows the relationship between the independent and dependent variables?
y = ax
y = x + 12
y = -3x
y =
• Question 37
180 seconds
Q. Which equation matches the table?
y = x
y = 5x
y = x - 4
y = x + 4
• Question 38
180 seconds
Q. Zara made an initial deposit to a bank account and then added a fixed amount every week. The table shows the money in her account. Write an equation in slope-intercept form to represent the situation. (click here to remove the question)
y = 30x + 100
y = 20x + 120
y = 120x + 120
y = 50x + 100
• Question 39
180 seconds
Q. The table shows Eli’s distance from home as he rides his bike at a steady rate after meeting a friend. . Write an equation in y = mx + b form that represents the miles, y, that Eli goes in x hours.