nonnnnn.py

Created on January 16, 2025

364 Bytes

1. 
f(x)=g(x)
x**2−12x+32=0
x=8 et x=4
f(8)=5 et f(4)=5
(4,5) et (8,5)
2a.
df(x)=−x**2+11x−28
x**2−11x+28=0
x=7 et x=4
Tb signe
2b.
x∈[4,7],f(x)>x+1
donc Cf au-dessusΔ
Sinon en-dessous
3a.
dg(x)= 1/4x**2−4x+12
x**2−16x+48=0
x=12 et x=4
Tb signe
x∈[4,12]
donc Cg au-dessusΔ
Sinon en-dessous
3b.
x∈[4,8],f(x)>g(x)
donc Cf au-dessus Cg
Sinon en-dessous

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