consider a cubic polynomial function g(x) with solutions x = 3 and x =2 -i. what statement must be true?

This is so hard and it’s for a test

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

With both problems. a.s.a.p directions on photo ^