riverea338338
riverea338338
25-05-2018
Mathematics
contestada
h(n)=n^3+2n; Find h(n+4)
Respuesta :
gmany
gmany
27-05-2018
[tex]h(n)=n^3+2n\\\\h(n+4)=(n+4)^3+2(n+4)=n^3+3n^2\cdot4+3n\cdot4^2+4^3+2n+2\cdot4\\\\=n^3+12n^2+48n+64+2n+8=n^3+12n^2+50n+72[/tex]
[tex]Used:\\\\(a+b)^3=a^3+3a^2b+3ab^2+b^3\\\\a\cdot(b+c)=ab+ac[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 76+ )
Otras preguntas
Historically, why is the cartesian coordinate system unique?
can anyone help me out
what did the encyclopedia created by diderot contain
Archaeology is the science that studies _____. A) languages B) word parts and origins C) cities, cultures, and civilizations D) humans
Given the following direct variation find the missing value: (3, 18) (7, y)
Read the description of a painting, then choose the painting that matches the description.
plz help I don't get it
which of the following are qualifications to become governor in most states? Select all that apply
Humans with our flat molars and intermediate length small intestine are best suited to be
What happens if you get a f in sixth grade?
