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BITSAT 2016
Exam
BITSAT
Year
2016
Subject
Mathematics
Chapter
Functions

BITSAT 2016 · Mathematics · Functions

Match List I with List II and select the correct answer using the...

Match List I with List II and select the correct answer using the code given below the lists: (
List IList II
(A) f(x)=\cos x1. The graph cuts y-axis in infinite number of points
(B) f(x)=\ln x2. The graph cuts x-axis in two points
(C) f(x)=x²-5 x+43.3. The graph cuts y-axis in only one point
(D) f(x)=e^x4. The graph cuts x-axis in only one point
5. The graph cuts x-axis in infinite number of points
)Codes:

Options

  1. A(A) - 1, (B) - 4, (C) - 5, (D) - 3
  2. B(A) - 1, (B) - 3, (C) - 5, (D) - 4
  3. C(A) - 5, (B) - 4, (C) - 2, (D) - 3
  4. D(A) - 5, (B) - 3, (C) - 2, (D) - 4

Correct answer

C. (A) - 5, (B) - 4, (C) - 2, (D) - 3

Step-by-step solution

(A) Graph of f(x)=cos⁡xf(x)=\cos x cuts xx -axis at infinite number of points. ( 5 of list II) (B) Graph of f(x)=In⁡xf(x)=\operatorname{In} x cuts xx -axis in only one point. (4 of list II) (C) Graph of f(x)=x2−5x+4f(x)=x^{2}-5 x+4 cuts xx axis in two points ( 2 of list II) (D) Graph of f(x)=\mathrmex\mathrm{f}(\mathrm{x})=\mathrme^{\mathrm{x}} cuts y\mathrm{y} -axis in only one point. (3 of list II)
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