A concessionaire at a football game pays a vendor $44 per game for selling hot dogs at $3.13 each.
(a) Write a linear function that describes the income I the vendor earns for the concessionaire during the game if the vendor sells h hot dogs.
I(h) =
(b) Find the income if the vendor sells 247 hot dogs. (Round your answer to the nearest cent.)
$

Question

A concessionaire at a football game pays a vendor $44 per game for selling hot dogs at $3.13 each. 
(a) Write a linear function that describes the income I the vendor earns for the concessionaire during the game if the vendor sells h hot dogs. 
I(h) = 
(b) Find the income if the vendor sells 247 hot dogs. (Round your answer to the nearest cent.) 
$

anonymous · Answer

I guess by income they mean the profit. That starts -44 dollars and gets bigger by 3.13 for each hot dog. 
So the equation follows. l(h)=-44+3.13h
l(247)=-44+3.13*247=729.11