![r=\frac{[-0.6(35)^2 + 37.2(35) + 243]-[-0.6(20)^2 + 37.2(20) + 243]}{35-20}](/tpl/images/2530/8537/5a9bc.png)
![r=\frac{[-0.6(35)^2 + 37.2(35) + 243]-[-0.6(20)^2 + 37.2(20) + 243]}{15}](/tpl/images/2530/8537/3d152.png)
Can someone help me with part b? I've been stuck on it for an hour :(
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Mathematics, 02.11.2021 23:40 tilsendt
Can someone help me with part b? I've been stuck on it for an hour :(
Answers: 1
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