1
KCET 2018
MCQ (Single Correct Answer)
+1
-0

Let $f: R \rightarrow R$ be defined by
$f(x)=\left\{\begin{array}{lc}2 x ; & x > 3 \\ x^2 ; & 1 < x \leq 3 . \text { Then } \\ 3 x ; & x \leq 1\end{array}\right.$

$$ f(-1)+f(2)+f(4) \text { is }$$

A
9
B
14
C
5
D
10
2
KCET 2017
MCQ (Single Correct Answer)
+1
-0
Let $f: R \rightarrow R$ be defined by $f(x)=x^4$, then
A
$f$ may be one-one and onto
B
$f$ is neither one-one nor onto
C
$f$ is one-one and onto
D
$f$ is one-one but not onto
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
If $f(x)=8 x^3, g(x)=x^{1 / 3}$, then $f \circ g(x)$ is
A
$8 x$
B
$8^3 x$
C
$(8 x)^{1 / 3}$
D
$8 x^3$
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
If $|x-2| \leq 1$, then
A
$x \in[1,3]$
B
$x \in(-1,3)$
C
$x \in[1,3)$
D
$x \in(1,3)$
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