Cassidy is selling popcorn for a fundraiser sale at the price shown. 1.) How much were Cassidy’s upfront costs?
2.) Write the function that models Cassidy’s profit.
3.) What is Cassidy’s profit if he does not sell any popcorn?
4.) What is Cassidy’s profit if he sells all of the popcorn?
5.) What is the range of the function?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.