1003206001 | math4u.vsb.cz

SubArea:

Quadratic functions

Level:

Project ID:

1003206001

Accepted:

1

Clonable:

0

Easy:

0

We are given three quadratic functions:

\begin{aligned} f_{1} (x) & = - x^{2} - 2, \\ f_{2} (x) & = - x^{2} - 2 x - 4, \\ f_{3} (x) & = x^{2} + 2. \end{aligned}

Which of the given functions are increasing on the interval

(- 2; 0)

?

only

f_{1}

only

f_{2}

f_{1}

and

f_{2}

all three given functions

Fixed Answer:

Last Fixed