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    Zeroes of functions

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    1. Find all zeros for f(x)=x^4-15x^3+70x-156

    2. Solve 3^x+2=65 Round your answer 3 decimal places.

    3. Solve 6^4x+5=3^7x-1 Round your answer 3 decimal places.

    4. Solve logx=4.952 Round your answer to 3 decimal places.

    5. Solve 2^3x=3^4x-2 Round your answer to 3 decimal places.

    Please show work and answers. Thank you!

    © BrainMass Inc. brainmass.com February 24, 2021, 2:25 pm ad1c9bdddf
    https://brainmass.com/math/basic-algebra/zeroes-of-functions-19492

    Solution Preview

    1. Zeros are not rational number. I have to use decimals.
    All the zeros are:
    x=-2.690, ...

    Solution Summary

    This shows how to find zeroes of and solve exponential and logarithmic functions.

    $2.19

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