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19 February, 15:13

Solve the inequality graphically. 4^x > 2^x

A. x > 0

B. x < 0

C. x > 1

D. x < 1

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Answers (1)
  1. 19 February, 15:36
    0
    A. x > 0

    Step-by-step explanation:

    see graph

    4^x > 2^x

    Replace 4 with 2^2

    2^2^x > 2^x

    a^b^x = a^ (b*c) so

    2^ 2x > 2^x

    If the bases are the same, the exponents must keep the same ratio

    2x>x

    This is true if x>0
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