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Rounding to three decimal places, approximate${\log }_{5}46.$

Solve: $3\log x=\log 64$

Solve: ${\log }_{2}x+{\log }_2(x-2)=3$

Solve: ${\log }_{2}x+{\log }_2(x-6)=4$

Solve: $\log (x+2)-\log (4x+3)=-\log x$

In the following exercises, solve each equation.

$\frac{e^{x^2}}{e^3}=e^{2x}$

Determine 鈸� whether each graph is the graph of a function and, if so,鈸� whether it is one-to-one.

Solve: $\log (x-2)-\log (4x+16)=\log \frac{1}{x}$

Solve $7^x=43$. Find the exact answer and then approximate it to three decimal places.

Solve $8^x=98$. Find the exact answer and then approximate it to three decimal places.