Hey There!
To find the rate of change, simply use the following formula.
y2 - y1 = x2 - x1
Keeping this in mind, let's begin to solve.
3 - 4 = -1
1 - (-1) = 2
Therefore, the answer would be C
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Answer:
the answer is third option B
Answer:
Step-by-step explanation:
you need the arc length formula .. do you have it?
s = r ∅
s is the arc length in radians but you can make it in degrees just by
using s = 2πr (θ/360)
the angle is 180 for the picture.
so the arc length is just
r
r= 4
*4 = 12.56637.... approx