Qualification > Math

Functions Question

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Freaked12:
A function f is one-to-one if it never happens that a is not equal to  b, but f(a) = f(b). Equivalently, one-to-one functions are those functions whose graphs pass the horizontal line test: every horizontal line passes through at most one point of its graph.

So by looking at the graph the largest value through which the horizontal line passes through is 3/2 pie

Freaked12:
and the last part is already done

and he explained it quite clearly.


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