Question

Need help will fan and medal

let f(x)=-1/2x+5. the average rate of change from x=17 and x=43 equals?
A.13
B.-1/2
C.1/2
D.-13

Answer 1

@texaschic101

Answer 2

plug in 17 and 43 into x in the equation f(x).
Ave rate of change = (f(43)-f(17)) / (43-17)

which equates
(-16.5 - (-3.5) ) / 26

= -13/26
= -1/2 or -0.5

Answer B

Answer 3

The rate of change from x=-10 to x=10 is ?