So 5 pounds=12.5
divide 12.5 by 5 to get dollars per pound
$2.5 per pouind

is undefined if the argument

is negative, so you first need to require that

We're not done yet, though, because

still doesn't exist when

, so we remove this from the domain and we're left with

, or in interval notation,

To find the range, consider the limits of the function as you approach either endpoint of the domain.


Since

is positive everywhere, the range is
Answer:
6+8x
Step-by-step explanation:
Answer:
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