## All Tasks

#### Fall Time of a Stone

About the previous task, $v(t) = 2,5 (1 - e^{-0,1t})$ after what amount of time is the stone sinking with a velocity of $2 m/s$?

# Parametric functions

Modeling
11

#### Calculating Natural Logarithm

Solve the following equation: $e^ {x+2}=21$. The result shall be rounded to three places to the right of the decimal point.

# Logarithm properties

Training
11

#### Euler's number $e$

$e$

# Exponential properties

Learning
10

#### Derivative of log

Which of these graphs is the one of the derivative of the logarithmic function?

# Derivation of functions

Reasoning
10

#### Exercises with Logarithms

Choose the right option: $ln(2*0.5) - e^{0} + e^{ln(1)}$ is equal to:

# Logarithm properties

Reasoning
11

#### Calculating a Simple Natural Logarithm

$ln(e^{x})$ is equivalent to...?

# Logarithm properties

Learning
11