Answered

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State the independent variable and dependent variable in each situation. then find the rate of change for each situation.two pounds of apples cost $3.98. six pounds cost $11.94.

Sagot :

Answer:

Independent: Number of pounds

Dependent: Cost

Rate of change: $1.99 per pound

Explanation:

In this situation, there are 2 variables: The number of pounds and the cost.

The independent variable is the variable that you decide. Since you decide how many pounds of apples to buy, the independent variable is the number of pounds.

The dependent variable depends on the independent variable. Since the cost change depending on the number of pounds. The cost is the dependent variable.

Finally, the rate of change can be calculated as:

[tex]\frac{\text{ Change dependent variable}}{Change\text{ independent variabl}e}=\frac{11.94-3.98}{6-2}=\frac{7.96}{4}=1.99[/tex]

Therefore, the rate of change is $1.99 per pound.

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