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  2. For business economics
  3. Chapter 1: Functions of one variable
  4. Exponential and logarithmic functions
  5. Exponential functions
  6. Exercise

Exercise

Solve $e^x=0$.
The correct answers is not among the other options.
$x=\frac{1}{e}$
$x=0$
$x=e^{-1}$
Solve $e^x=0$.
Antwoord 1 correct
Correct
Antwoord 2 optie
$x=\frac{1}{e}$
Antwoord 2 correct
Fout
Antwoord 3 optie
$x=0$
Antwoord 3 correct
Fout
Antwoord 4 optie
$x=e^{-1}$
Antwoord 4 correct
Fout
Antwoord 1 optie
The correct answers is not among the other options.
Antwoord 1 feedback
Correct: An exponential function has no zeros.

Go on.
Antwoord 2 feedback
Wrong: $e^{\frac{1}{e}}\approx 1.44 \neq 0$.

See Extra explanation: base and Extra explanation: base e.
Antwoord 3 feedback
Wrong: $e^0=1 \neq 0$.

See Extra explanation: base and Extra explanation: base e.
Antwoord 4 feedback
Wrong: $e^{e^{-1}}\approx 1.44 \neq 0$.

See Extra explanation: base and Extra explanation: base e.