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:))) Part B and C are my struggles

@inowalst plz help!

Omg thank you soo much :D

C would be which tho cuz its rate of change isn't that time and speed or something?

would it be then (60,1) AND (60,5) ?

x comes first, so (1, 60) and (5, 60). Which means the domain would be [1, 5]

does that make sense?

ohhh :D

yes it does make sense when its not meaning a point :P

ok. for part C do you need help finding the rate of change?

let me ask you this, do you know how to find the slope given 2 points?

\[m=\frac{ y_2-y_1 }{ x_2-x_1 }\]
look familiar?

isn't the slope y=mx+b

10-5
m= _____ 5/3
6-3

y=mx+b
y= 5/3+b

right?

so the rate of change is -30

you're welcome :)