Think of a vertical number line. The positive values count down as we move down this number line. The negative numbers count up, so to speak, as we move down the number line. So we have -1, -2, -3, ... as we move down. This indicates that -5 is <u>not</u> smaller than -7.
Diagram is below.
H(t) = 0 for t = 7 and for t = -2.
It is reasonable for the time to be positive, 7 seconds.
(The offered answers all appear to be negative, so none are reasonable.)
Answer and Step-by-step explanation:
The equation would be y = 5x + 75
Now, plug in 1, 2, 6, and 12 for x (which represents the hours) and solve for y (which represents the price).
1 hour - $80
2 hours - $85
6 hours - $105
12 hours - $135