Hello is there a mod I can talk to?

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

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

Find the value of x. give reasons to justify your solutions! h ∈ ig