If f(4) = 4, f '(4) = 1, then \(\displaystyle\lim_{x \rightarrow 4} \dfrac{2- \sqrt{f(x)}}{2-\sqrt x}\) is equal to:

If f(4) = 4, f '(4) = 1, then \(\displaystyle\lim_{x \rightarrow 4} \

1.	If f(4) = 4, f '(4) = 1, then \(\displaystyle\lim_{x \rightarrow 4} \dfrac{2- \sqrt{f(x)}}{2-\sqrt x}\) is equal to:
A.	-2
B.	2
C.	1
D.	-1
Answer» D. -1

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If f(4) = 4, f '(4) = 1, then \(\displaystyle\lim_{x \rightarrow 4} \dfrac{2- \sqrt{f(x)}}{2-\sqrt x}\) is equal to:

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