If h is the function given by ℎ(𝑥)=(𝑓∘𝑔)(𝑥)h(x)=(f∘g)(x), where f(x) = 5x2 - 1 and g(x) = |x|, then h(x) =A.5|x| - 1B.5x - 1C.|5x2 - 1|D.5x2 - |x|E.5|x|2 - 1SUBMITarrow_backPREVIOUS
Question
If h is the function given by ℎ(𝑥)=(𝑓∘𝑔)(𝑥)h(x)=(f∘g)(x), where f(x) = 5x2 - 1 and g(x) = |x|, then h(x) =A.5|x| - 1B.5x - 1C.|5x2 - 1|D.5x2 - |x|E.5|x|2 - 1SUBMITarrow_backPREVIOUS
Solution
Para resolver la función , primero necesitamos entender qué significa la notación de composición de funciones . Esto se traduce a .
Dado que y , primero evaluamos :
Luego, sustituimos en :
Ahora, sustituimos en la función :
Dado que , tenemos:
Por lo tanto, la función es:
La respuesta correcta es:
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