Question

Match List I with List II and select the correct answer using the code given below the lists. List I • [(A)] f(x)=cos x • [(B)] f(x)=ln x • [(C)] f(x)=x²-5x+4.3 • [(D)] f(x)=eˣ List II • [1.] The graph cuts y-axis in infinite number of points • [2.] The graph cuts x-axis in two points • [3.] The graph cuts y-axis in only one point • [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
• D. 5 3 2 4

Hint:

Always sketch rough graphs to understand intercept behavior.

Answer 1

The Correct Option is D

• cos x cuts x-axis infinitely many times ⟹ 5 • ln x cuts x-axis once ⟹ 3 • Quadratic cuts x-axis at two points ⟹ 2 • eˣ cuts y-axis once ⟹ 4 Thus, the correct code is (5,3,2,4).