Andrea is selling candles as a fundraiser. she spent $50 on supplies for making the candles. she plans to sell the candles for $10 each. her profit can be modeled by c(x)=10x-50. what is the domain and range of the function if she sells up to 8 candles on the first day?

Question

Andrea is selling candles as a fundraiser. she spent $50 on supplies for making the candles. she plans to sell the candles for $10 each. her profit can be modeled by c(x)=10x-50. what is the domain and range of the function if she sells up to 8 candles on the first day?
Plz help with this question.

oobleck · Accepted Answer

since she can only sell whole candles, the domain is {0,1,...,8} The range is the values of c(x) for each of those x-values.