x = hours
car 1 left an hour before car 2 so you have 55(x+1)
car 2 = 75x
add them together to equal miles driven:
55(x+1) + 75x = 380
55x+55 + 75x = 380
combine like terms:
130x+55 = 380
subtract 55 from each side:
130x = 325
divide both sides by 130
x = 325 /130 = 2.5
x = 2.5 hours
so 2.5 hours
Domain: (-∞,∞)
Range: (3,∞)
x-intercepts: none
y-intercepts: (0,7)
Interval positive: (3,∞)
Interval negative: none
Interval increasing: (7,∞)
Interval decreasing: (-∞,7)
I'm not sure what the average rate of change over is though.
Answer:
I think it's 2.6
Step-by-step explanation:
64p^2=9
64/9=7.11
![\sqrt[n]{7.11}](https://tex.z-dn.net/?f=%5Csqrt%5Bn%5D%7B7.11%7D)
=2.6
Answer:
where is the graph?
Step-by-step explanation:
