The function y=f(x) is graphed below. What is the average rate of change of the function f(x) on the interval −4≤x≤−2?

(sin 42)/31. = sinx)/37

sinx = 37 (sin42)/31

= 37× 0.66/31 = 0.787

x= 51.9

other angle opposite to y = 180-51.9-42

= 180- 93.9 =86.1

so

sin42)/31 = sin 86.1)/y

0.021 = 0.997 /y

y= 0.997/0.021 =47.47

go on the tube you might find some information there

5x+10 is the correct one

hope this

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