Answer:
4
Explanation:
You want to know the value of the integral from -6 to 0 of the odd function f(x) if its integral from 0 to 6 is -4.
Odd function
The graph of an odd function is symmetrical about the origin. That is, ...
f(x) = -f(-x)
Area below the x-axis for y > 0 will be above the x-axis for y < 0.
Application
The value of the second integral will be opposite that of the first:

The value of the integral is 4.
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