B

9000018101

Level: 
B
Solve the following inequality: \[ 7 -\left (4x - 1\right ) < 3\left (x + 4\right ) \]
\(x\in \left (-\frac{4} {7};\infty \right )\)
\(x\in \left (-\infty ; \frac{4} {7}\right )\)
\(x\in \left (\frac{4} {7};\infty \right )\)
\(x\in \left (-\infty ;-\frac{4} {7}\right )\)

9000014203

Level: 
B
Which of the statements from the following list is true for the function \(f(x) = -\frac{2} {x} + 1\)?
The function \(f\) is a one-to-one function.
The function \(f\) is an odd function.
The function \(f\) is an increasing function.
The graph of the function \(f\) is a hyperbola with branches in the second and fourth quadrant.