Each relation shown defines y as a function of x. Which function has the greatest rate of change?
A
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)
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
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.
True
What is the rate of change of the water level, in feet per hour?
-10/2 or -5ft/hr
What is the rate of change of this function?
-15/2
What is the initial charge for the electrician's services, before he performs any repairs?
$100
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
Select the ordered pair that satisfy the function y = 2x +7
C
What is an equation in the form of y = mx + b that represents the function defined by this table of values?
y = 2x - 1
What is the definition of rate of change?
The rate at which something changes. The growth. Slope.
What is an equation in the form of y = mx + b that represents the function described by the graph?
y = -2x + 2
What function could have produced the values in the table?
B
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
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