9000014210 | math4u.vsb.cz

SubArea:

Rational functions

Level:

Project ID:

9000014210

Source Problem:

Accepted:

1

Clonable:

1

Easy:

0

Consider the function

f (x) = \frac{2 x + 1}{x + 3}

. Find all

x

such that

f (x) < 0

.

x \in (- 3; - \frac{1}{2})

x \in (- \infty; - 3) \cup (\frac{1}{2}; \infty)

x \in (- 3; \infty)

x \in (- \infty; - \frac{1}{2})