A = initial amount, which is 5 inches
b = rate of increasing, in this case 200% or 2.0 (it's being doubled its height, so the rate would be twice as much as its full state)
Hope this helped!
50 percent out of 80 is 40
The 63 is the err in her explanation here.
Answer:
1) 1/4
2) 3/5
Step-by-step explanation:
1) The rate of change is basically the slope, and you can find the slope by doing:
change in y/change in x
I started with the point (0,-2) because it's on the line
It goes up 1 and left 4 to get to the second point on the line
So change in y/change in x = 1/4 (this is the rate of change)
2) This is basically the same thing, but you need to do some subtraction.
Change in y = -9-(-3) = -6
Change in x = -5 - 5 = -10
Change in y/change in x = 3/5 (this is the slope or rate of change)
