Question

In [– 1, 2] the function f(x) = | x | + | x – 1| is –

• A. Increasing
• B. Decreasing
• C. Constant
• D. None of these

Answer 1

Answer: (D)

None of these

Answer 2

$f(x) = \left\lbrack \begin{aligned} & –2x + 1,–1 \geq x < 0 \\ & 1,0 \leq x < 1 \\ & 2x–11 \geq x < 2 \end{aligned} \right.\$

Neither increasing nor decreasing