Logarithms

Hong Kong

Stage 4 - Stage 5

Use a graphing calculator to find the solution(s) of $4e^{2x}=44$4`e`2`x`=44.

Give the solution(s) correct to the nearest tenth. If there is more than one solution, write all of them on the same line, separated by commas.

Easy

2min

Use a graphing calculator to find the solution(s) of $3x+2=4^x$3`x`+2=4`x`.

Give the solution(s) correct to the nearest tenth. If there is more than one solution, write all of them on the same line, separated by commas.

Easy

2min

Use a graphing calculator to find the solution(s) of $8^{-x}=1-x$8−`x`=1−`x`.

Give the solution(s) correct to one decimal place. If there is more than one solution, write all of them on the same line, separated by commas.

Easy

1min

Use a graphing calculator to find the solution set of $x=6^x$`x`=6`x`.

Easy

< 1min

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