Answer:
Wait so do u need help on this
Step-by-step explanation:
Answer:
I think is f(n) = 3 + 3(n - 1)
Step-by-step explanation:
Because it goes up 3 in price and 1 in gallons of gas
Answer:
-3.5 or -6
Step-by-step explanation:
2x^2+19x+40=-2
2x^2+19x+40+2=0
2x^2+19x+42=0
2x^2+(12+7)x+42=0
2x^2+12x+7x+42=0
2x(x+6)+7(x+6)=0
(x+6)(2x+7)=0
either,
x+6=0
x=-6
or,
2x+7=0
2x=-7
x=-7/2
x=-3.5