NDA2019MathematicsFunctionsActual
Paragraph: Let f(x) = x^2 , g(x) = tan x and h(x) = ln x. Question: What is [f o(f o f)] (2) equal to?
Options
- A2
- B8
- C16
- D256
Correct answer
D. 256
Step-by-step solution
aligned & [f o(f o f)](2) & = ( (x^2 )^2 )^2=x^8 & at x=2 , we get & x^8=2^8=256 aligned