All Tasks
Domain arccotan
Consider the function $f$ defined by $f(x)=\pi-arccot(2x)$. Then the domain, D, and the range of values, $D^{\prime}$ are:
# Functions of one variable
Training
13
Domain and range of arccotan
The domain ($D_f$) and the range ($D^{\prime}_f$) of the function $f(x)=2\text{arccot}(x+1)$ are, respectively:
# Functions of one variable
Training
13
Domain and range of arccotan
The domain ($D_f$) and the range ($D^{\prime}_f$) of the function
$f(x)=\pi^2-\dfrac{3\pi}{2}\text{arccot}\left(\dfrac{2x+1}{3}\right)$ are, respectively:
# Functions of one variable
Training
13
Perpendicular lines
Let the line $(e): y=-\frac x4-3$
Find the slope of $h$ line, If $h$ is perpendicular to $e$.
# Functions & characteristics
Training
11
Find the slope
Can you find the slope of a line which is perpedicular to the line of image?
# Functions & characteristics
Training
11
Angle of inclination
If in one linear function the angle of inclination is equal to $\phi = \frac{\pi}{4}$.
The slope of this function is
# Linear functions
Training
8