Question

5 - Resolva a função f(x) = | x² - 1 | ​

Answer 1

f(x)=(4m+1)x²-x+6

f '(x)=2(4m+1)x-1

2(4m+1)x-1=0

2(4m+1)x=1

(4m+1)x=1/2

x=1/2(4m+1)

f '(x)=2(4m+1)x-1

f "(x)=2(4m+1)

8m+2>0

8m>-2

m > -1/4

Admite se m > -1/4