Let $f ( x ) = \left\{ \begin{array} { c c }
3 x & - 1

Question

Let $f ( x ) = \left\{ \begin{array} { c c } 
3 x & - 1 < x < 0 \
x + 4 & 0 \leq x < 4 \
2 x & 4 < x \leq 7
\end{array} \right.$ Which of the following is true for $\lim _ { x \rightarrow 4 } f ( x )$ ?

A)-3
B)0
C)4
D)8
E)Does not exist

Quizplus · Accepted Answer

The Answer of Let $f ( x ) = \left\{ \begin{array} { c c } 
3 x & - 1 < x < 0 \
x + 4 & 0 \leq x < 4 \
2 x & 4 < x \leq 7
\end{array} \right.$ Which of the following is true for $\lim _ { x \rightarrow 4 } f ( x )$ ?

A)-3
B)0
C)4
D)8
E)Does not exist

Let f(x)={3x−1<x<0x+40≤x<42x4<x≤7f ( x ) = \left\{ \begin{array} { c c } 3 x & - 1 < x < 0 \\x + 4 & 0 \leq x < 4 \\2 x & 4 < x \leq 7\end{array} \right.f(x)=⎩⎨⎧​3xx+42x​−1<x<00≤x<44<x≤7​

Let $f ( x ) = \left\{ \begin{array} { c c } 3 x & - 1 < x < 0 \\x + 4 & 0 \leq x < 4 \\2 x & 4 < x \leq 7\end{array} \right.$