Let R is the set of real numbers such that the function f : R → R and g : R → R are defined by by f(x) = x 2 +3x+1 and g(x) = 2x-3. Find (fog):

CA Foundation · Quantitative Aptitude · MTP · June 2024
Let R is the set of real numbers such that the function f : R → R and g : R → R are defined by by f(x) = x 2 +3x+1 and g(x) = 2x-3. Find (fog):
(A) A. 4x 2 +6x+1
(B) B. x 2 +6x+1
(C) C. 4x 2 -6x+1
(D) D. x 2 -6x+1.

Suggested Answer and Working Notes:

Correct Answer: Option (C)

C. 4x 2 -6x+1

Topics: Part-A: Business Mathematics

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