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Question

# Use a graphing calculator to find the approximate solutions of the equation. $\\$$4 x-3^x=-6$

Solution

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Step 1
1 of 3

Rewrite the equation $4x-3^x=-6$ in the following form:

\begin{aligned} 4x-3^x+\textcolor{#4257b2}{6}&=-6+\textcolor{#4257b2}{6}\\ 4x-3^x+6&=0 \end{aligned}

Next, using the Zero method, begin by graphing the function

\begin{aligned} y=4x-3^x+6 \end{aligned}

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