Identifying Functional Relationships

• The relation is a function.

• The relation is not a function.

• The relation is a function.

• The relation is not a function.

• The relation is a function.

• The relation is not a function.

• The relation is a function.

• The relation is not a function.

The following set of ordered pairs represents a functional relationship between x and y. Which of the following could be the missing ordered pair?

• (-5, 10)

• (1, 2)

• (-3, 8)

• (0, 0)

What is the line of best fit in a scatter plot primarily used for?

• To separate different groups of data

• To predict the value of one variable based on the value of another

• To calculate the exact values of all data points

• To create a boundary around all data points

Type question here including an (a)   ​ (b)  

• -8

• 60

• -16

• 16

• 2

The initial weight of a container is 6.2 pounds. As water is added to the container, the weight increases at a rate of 0.6 pounds per minute. Which function models the weight of the container as a function of time?

• f(t)=0.6t+6.2

• f(t)=t+6.8

• f(t)=6.2-0.6t

• f(t)=6.2t+0.6

A moving company charges $90 to rent a truck for 4 hours or $150 to rent a truck for 8 hours. What equation can be used to model the cost of renting the truck per hour?

y = ​ (a)   ​ (b)   ​ (c)  

• 15x

• 60x

• +

• -

• 30

• 4

• 15

• 60

Tags

8.5.I

The table​​ (a)   a linear relationship because it​​ (b)  

• could represent

• has a constant rate of change

• could not represent

• does not have a constant rate of change

• has a rate of change that is increasing

• does not have a rate of change that is increasing