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A convenience store sells a coffee mug that comes

with a special price for refills using the mug. The

equation C = 2.3r + 6.5 represents the cost C, in

dollars, of the mug and r refills. What is the cost of

the mug?

Respuesta :

Answer:

The cost of the mug is of $6.50.

Step-by-step explanation:

The cost of the mug and r refills is given by the following equation:

[tex]C(r) = 2.3r + 6.5[/tex]

Cost of the mug:

The cost of the mug is found when no refills are bought, that is, C when [tex]r = 0[/tex], which is [tex]C(0)[/tex]

[tex]C(0) = 2.3*0 + 6.5 = 6.5[/tex]

The cost of the mug is of $6.50.

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