Als  f : x → x² + 1
en   g : x → 2x
dan is
f o g :  x → ..?.. 		A.  4x² + 1
B.  4x² + 2
C.  4x² + 3
D.  2x³ + 2x
E.  x² + 4x + 1
                 

[ 4-8283 - op net sinds 25.6.2020-(E)-22.10.2023 ]

Translation in   E N G L I S H

IN CONS
IN CONSTR
IN CONSTRUC
IN CONSTRUCTI
IN CONSTRUCTION
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B.  
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Oplossing - Solution

(fog) (x) = f ( g(x) ) = f(2x) = (2x)² + 1 = 4x² + 1