Question

Write a function rule to represent the situation.
the total cost C for p pounds of metamorphic rock if each pound costs ​$3.69
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Part 1
Write a function rule using C and p as variables.

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Answered by GPT-4o mini
To represent the total cost \( C \) for \( p \) pounds of metamorphic rock, if each pound costs $3.69, you can use the following function rule:

\[
C(p) = 3.69p
\]

In this equation:

- \( C(p) \) represents the total cost in dollars.
- \( p \) represents the number of pounds of metamorphic rock.
- The coefficient \( 3.69 \) is the cost per pound.

This function rule describes how the total cost varies directly with the number of pounds purchased.

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