Evaluating 3^3/2 gives us 5.196152423, so we can round this to 5.
The number of exports is GREATER than the number of imports if the bar for exports (pink) is TALLER than the bar for imports (blue). It appears that happens only on Friday.
The inverse of the function f(x) = 2x - 10 is f-1(x) would be x/2 + 5.
Lets try to solve it,
We will be using the inverse function to solve this.
f(x) =
Replace f(x) with y.

Interchange x and y

Solve for y

Replace y with f-1(x).

Thus, the inverse of the function f(x) = 2x - 10 is f-1(x) = x/2 + 5
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If x and y were equal then you would do 21/7 and that is 3 so x=3 and y=3 so if you do the second one then 6+3=9. So the answer is 9