The Sparkling Pool Company supplies the graph below to each of its new clients. The graph shows the relationship between the amo
unt of water pumped into a pool and the time that has elapsed.
Which of the following statements best describe the rate at which the water is pumped into a pool.
A)The water is pumped at a rate of approximately 15 gallons per hour.
B)The water is pumped at a rate of approximately 500 gallons per hour
C)The water is pumped at a rate of approximately 15 gallons per minute.
D)The water is pumped at a rate of approximately 909 gallons per minute.
Which of the following statements best describe the rate at which the water is pumped into a pool.
A)The water is pumped at a rate of approximately 15 gallons per hour.
B)The water is pumped at a rate of approximately 500 gallons per hour
C)The water is pumped at a rate of approximately 15 gallons per minute.
D)The water is pumped at a rate of approximately 909 gallons per minute.
1 answer:
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Answer: The consultant earn $50 each hour.
Explanation:
It is given that for 4 hours of work, the consultant charges $400. For 5 hours of work, she charges $450. The amount that a consultant charges for her work can be modeled using a linear function.
If the linear function represents the amount earn by consultant in hours the the coordinates can be written as (4, 400) and (5, 450).
If we want to find how much money does the consultant earn each hour, so first we have to find the slope of linear function which passing through two points (4, 400) and (5, 450).
In the linear function the slope show the earning of consultant per hour, therefore consultant earn $50 each hour.