Need help please, linear function

[Broyont]

quote][/quote]After conducting market research for a new pencil product, ABC Company believes that the demand for this new product is given by the equation q = 345 - 0.5p. Where q is the quantity sold (measured in hundreds of pencils) and p is the price of 100 pencils.
The company also believes that the variable costs for 100 pencils are 5q-10 and the fixed costs for all production are $3,000.
(a) Determine income based on quantity q.
(b) Determine the profit of the business based on q.

 

[Deleted member 4993]

quote]

After conducting market research for a new pencil product, ABC Company believes that the demand for this new product is given by the equation q = 345 - 0.5p. Where q is the quantity sold (measured in hundreds of pencils) and p is the price of 100 pencils.
The company also believes that the variable costs for 100 pencils are 5q-10 and the fixed costs for all production are $3,000.
(a) Determine income based on quantity q.
(b) Determine the profit of the business based on q.
[/QUOTE]
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