Which relations represent a function?

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

Can someone me with these two circle theorem questions asap?