Single Choice

Match List I with List II and select the correct answer using the code given below the lists: List I List II (A) $$f(x) = \cos x$$ $$1.$$ The graph cuts y-axis in infinite number of points (B) $$f(x) = ln \ x$$ $$2.$$ The graph cut x-axis in two points. (C) $$f(x) = x^{2} - 5x + 4$$ $$3.$$ The graph cuts y-axis in only one point (D) $$f(x) = e^{x}$$ $$4.$$ The graph cuts x-axis in only one point $$5.$$ The graph cuts x-axis in infinite number of points

A$$1, 4, 5, 3$$
B$$1, 3, 5, 4$$
C$$5, 4, 2, 3$$
Correct Answer
D$$5, 3, 2, 4$$

Solution

(A) Graph of $$f(x) = \cos x$$ cuts x-axis at infinite number of points. $$(5$$ of List II)
(B) Graphs of $$f(x) = ln\ x$$ cuts x-axis in only one point. $$(4$$ of list II)
(C) Graph of $$f(x) = x^{2} - 5x + 4$$ cuts x axis in two points $$(2$$ of list II)
(D) Graph of $$f(x) = e^{x}$$ cuts y-axis in only one point. $$(3$$ of list II).


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