S = (n-2) x 180 to find the total angles.
5-2*180
3*180
540
540-86-140-138-59=117
No, they forgot to switch variable labels after solving for the independent variable...
y=-8x+4
y-4=-8x
(y-4)/-8=x
Now that you have solved for the independent variable x, you switch the variable labels...
y=(x-4)/-8
f^-1(x)=(x-4)/-8 which should really be rewritten as:
f^-1(x)=(4-x)/8 :P
Just keep adding 1/6 to the given term and that should help you figure out the rule.
Negative and Positive numbers dictate direction on a graph. Negative numbers indicate the point is moving left, and positive numbers indicate the point is moving right.
You can complete this by solving:
Which should give you .274418 or 27.44%
