Both graph are related because the y intercept is two and x is one but they have the same shape and y=x is 0 so the x intercept of the second graph is 2 so your answer is the middle one
1. The like graph is dated day by day. To make it easier you could maybe do two days at a time. For example, 24- sep- 26- sep. This will decrease less confusion. To graph it correctly just make the line for the higher numbers taller and for the smaller, shorter.
2. I gave you the answer for this one it the last sentence . :)
F(X)=18x+11
f(6)=18*6+11
f(6)=108+11
f(6)=119
Csc x · sec x - tan x =
= 1 / sin x · 1 / cos x - sin x / cos x =
= 1 / sinx cos x - sin² x / sin x cos x =
= ( 1 - sin² x ) / (sin x cos x) =
= cos² x / ( sin x cos x ) =
= cos x / sin x = cot x