Consider the functions f(x)= x and g(x) = 7x + b. If the function y = fog(x) passes…
Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions
Consider the functions \(f(x)=\sqrt{x}\) and g(x) = 7x + b. If the function y = fog(x) passes through (4, 6) then the value of b is
- 8
- – 8
- – 25
- \(4-7 \sqrt{6}\)
Answer
(A) 8
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