Which equation represents the axis of symmetry of the function y=-2x^2+4x-6. a. y= 1 b. x= 1 c. x= 3 d. x= -3

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).