Solve 15 = 4(1.6)^x by graphing. Round to nearest hundredth.

Question

Solve 15 = 4(1.6)^x by graphing. Round to nearest hundredth.

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Dulcie 4 years 2021-07-18T12:35:43+00:00 1 Answers 9 views 0

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  1. Adela
    0
    2021-07-18T12:36:46+00:00
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    Answer:

    2.81

    Step-by-step explanation:

    4*1.6^x=15\\\\1.6^x=\dfrac{15}{4} \\\\x*ln (1.6)=ln (3.75)\\\\x=\dfrac{ln(3.75)}{ln(1.6)} \\\\x=2.81222475...\approx{2.81}

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