What function could have produced the values in the table?
B
15
A fish pond has 3 gallons of water in it. Water is added at a rate of 2 gallons per minute. Select the equation that models the relationship between water (w), in gallons, in the pond after t minutes.
C
15
Each relation shown defines y as a function of x. Which function has the greatest rate of change?
A
20
Saul has filled in the following table for the linear function y = 7x + 4. What mistake did Saul make with his coordinates in the table?
the point (0,2) should be (0,4)
10
Select the ordered pair that satisfy the function y = 2x +7
C
15
What is an equation in the form of y = mx + b that represents the function defined by this table of values?
y = 2x - 1
25
What is an equation in the form of y = mx + b that represents the function described by the graph?
y = -2x + 2
20
An airplane travels at an altitude of 16,000 feet. As it descends, it drops 500 feet per minute in elevation. What is an equation that represents the altitude of the airplane?
y = -500x + 16,000
20
What is the rate of change of this function?
-15/2
25
What is the rate of change of the water level, in feet per hour?
-10/2 or -5ft/hr
15
What is the initial charge for the electrician's services, before he performs any repairs?
$100
10
What is the definition of rate of change?
The rate at which something changes. The growth. Slope.
5
A swimming pool containing 1600 gallons of water is emptied at a constant rate of 300 gallons every 2 hours. TRUE or FALSE: The initial amount of water in the pool is 1600.
True
10
A swimming pool containing 1600 gallons of water in emptied at a constant rate of 300 gallons every 2 hours. TRUE or FALSE: The amount of water in the pool decreased by 150 gallons every 1 hour.