give the value of each statement. if the value does not exist, write \dne\.\na) $lim_{x\rightarrow3}f(x)=$\nb…

give the value of each statement. if the value does not exist, write \dne\.\na) $lim_{x\rightarrow3}f(x)=$\nb) $f(3)=$\nc) $lim_{x\rightarrow1}f(x)=$\nd) $f(1)=$
Answer
Explanation:
Step1: Analyze $\lim_{x\rightarrow3}f(x)$
As $x$ approaches 3 from the left and right, the function values approach 2. So $\lim_{x\rightarrow3}f(x)=2$.
Step2: Find $f(3)$
The open - circle at $x = 3$ means the function is not defined at $x=3$, so $f(3)=\text{DNE}$.
Step3: Analyze $\lim_{x\rightarrow1}f(x)$
As $x$ approaches 1 from the left and right, the function values approach 4. So $\lim_{x\rightarrow1}f(x)=4$.
Step4: Find $f(1)$
The closed - circle at $x = 1$ indicates that $f(1)=2$.
Answer:
a) 2 b) DNE c) 4 d) 2