2³×(4×6)²=?
What is the answer to this equation?

6th grade math learning

Larry bar opened a frame shop and completed these transactions: larry started the shop by investing $41,100 cash and equipment valued at $19,100 in exchange for common stock. purchased $180 of office supplies on credit. paid $2,300 cash for the receptionist's salary. sold a custom frame service and collected $5,600 cash on the sale. completed framing services and billed the client $310. what was the balance of the cash account after these transactions were posted?

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?