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nexus9112 [7]
2 years ago
10

A telephone company charges a $0.25

Mathematics
1 answer:
Marta_Voda [28]2 years ago
5 0

The value of a dependent variable is dependent on the value of an independent variable. The correct option is C.

<h3>What are independent and dependent variables?</h3>

Even though everything can be almost always related to its reason, when we talk about two related things, there might happen that one of those things is dependent on other.

  • If a variable is taking its values independently of any visible direct cause, then that variable is called independent variable.
  • The variables who take their values based on some other variables' values are called dependent variables.

The complete question is:

A telephone company charges a $0.25 connection fee, then $0.10 per minute for long distance calls. Which statement is true regarding this situation?

A. The rate of change is $0.25 and minutes are the independent variable.

B. The rate of change is $0.25 and minutes are the dependent variable.

C. The rate of change is $0.10 per minute and minutes are the independent variable

D. The rate of change is $0.10 per minute and minute are the dependent variable.

The cost of making a call is the sum of the cost of connection fee which is one time fee and cost $0.25, and the cost charged for a minute which depends on the number of minute for which the call is been established. Therefore, the total cost can be written for a x minute call is,

Total Cost = $0.25 + $0.10(x)

Since the total cost is dependent on x, therefore, x which is the minute is the independent variable. The rate of change is $0.10 per minute and minutes are the independent variable.

Hence, the correct option is C.

Learn more about Dependent and Independent Variable:

brainly.com/question/27795876

#SPJ1

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A phone company charges for service according to the formula: C ( n ) = 29 + 0.04 n , where n is the number of minutes talked, a
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<h2>Explanation:</h2>

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