Question

If f(x)=x^2-1, and g(x)= x+2 then.....f(g(x))=[ ? ] x^2+[ ? ]x + [ ? ]

Answer 1

Answer:

x² + 4x + 3

Step-by-step explanation:

   f( g(x) )

= f( x + 2 )

= ( x + 2 )² - 1

= ( x² + 4x + 4 ) - 1

= x² + 4x + 3

Answer 2

Answer:

1x^2 + 4x + 3

Step-by-step explanation:

f(g(x))= f(x+2)

= (x+2)^2-1

= x^2 + 2^2 + 2(2)(x) -1

= x^2 + 4 + 4x - 1

= x^2+4x+3.

Hope it helps u :)