A problem by Spivak calculus 1

Algebra Level 1

Find the range of x x satisfying x + 3 x < 4. x+3^x < 4.

x<1 x>4 x > 0 x>0 x = All real numbers x=\text{All real numbers}

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1 solution

Edwin Gray
Sep 1, 2018

We note that for x = 1, x + 3^x = 4. Therefore x <1 for the right side < 4. Ed Gray

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