Question

what is (fْ g)(x): f(x)=√x+√4, g(x)=x^2

Answer 1

Hope it is helpful for you...

Answer 2

Given :  f(x)=√x+√4, g(x)=x²

To find :  fog(x)  

Solution:

f(x)=√x+√4,

g(x)=x²

fog(x)  = f(g(x))

= f( x² )

=  √x²   + √4

=  |x| +  √4

=  |x|  + 2

fog(x) =  |x|  + 2

gof(x)  =g(f(x))

= g(√x+√4  )

=  (√x   + √4)²

= x  + 4  + 2√4√x

= x + 4√x +  4

=  (√x   + 2)²

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क्ष¹៸³

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