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ValentinkaMS [17]
2 years ago
9

Which explains why the graph is not a function?

Mathematics
1 answer:
torisob [31]2 years ago
6 0

Answer:

56

Step-by-step explanation:

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a cleaning service charges an hourly rate plus a flat fee of $15 for supplies. philip uses the service for 3.5 hours for his spr
Sergeu [11.5K]

Using linear function concepts, it is found that he can correctly determine the hourly rate as follows:

subtract the supply fee, 15 dollars from the total cost, then, divide the difference by the number of hours.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, which can also be interpreted as the initial value of a function that is valid only for x \geq 0, such as is the case in this problem.

The flat fee is of $15, hence b = 15, then:

y = mx + 15

Philip uses the service for 3.5 hours for his spring cleaning, and his total is $232, hence when x = 3.5, y = 232, so we use it to find the hourly rate m.

y = mx + 15

232 = 3.5m + 15

m = \frac{232 - 15}{3.5}

Hence, the correct option is:

subtract the supply fee, 15 dollars from the total cost, then, divide the difference by the number of hours.

You can learn more about linear function concepts at brainly.com/question/24808124

7 0
2 years ago
Which is the vertex of x^2 + 10x = - 17?
Valentin [98]

Answer:

(-5, -8)

Step-by-step explanation:

3 0
3 years ago
Which of the following is NOT an integer?<br><br> -99<br> 0<br> 57<br> 3.719
Maurinko [17]
I think it’s 0 57 and 5.719
4 0
3 years ago
Q12 A driver sees this speed limit sign in France. The speed is in kilometres per hour
olga nikolaevna [1]

Answer:

Step-by-step explanation: idk

7 0
3 years ago
I need help ASAP PLEASE ASAP!!!
zysi [14]
The area is 10 just use a area calculator!
3 0
2 years ago
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