Let A and B be sets and let f:A→B be a function let h:P(B)→P(A) which
defined by h(Q)=f-1 (Q) for all Q€P(B).Prove that h is injective if and only if f is injective

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step-by-step explanation:

answer: yes, since the line has a steeper rate of change than the exponential the y-values will be greater and they will only intersect one time.

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