Did you write the problem right
Answer:
F(-6) = <u>2*(-6) + 1</u>
5*(-6) -2
= <u>-11 </u>
-32
= <u>11 </u>
32
Answer
6 Gallons
Each gallon of water needs 6 teaspoons because 30/5=6
Now we know that teaspoons/6=amount of gallons
36/6=6 gallons
We can get two different equations from this:
3x = 18
and
3x = -18
So:
x = 6, x = -6
x = {6, -6}