Answer:
f(x) = 4 - x
Step-by-step explanation:
'f(x) = blah-blah' is the same as saying 'y = blah-blah', except it is also telling you that the x-y relationship is a function.
I notice that for each case, x + y = 4, so y = 4 - x
Or in 'function' terminology, f(x) = 4 - x
Try downloading math papa I just did to get your answer
The angle for x is 180 degrees because it is at the part of the circle that is straight up and down
65,754.59 rounded to the nearest tenth is 65,754.60
