Question

Which is a zero of the absolute value function

f(x) = 1 - 3|3x5 - 4x2|?

Answer 1

\[\large 0=1-3\left| 3x^5-4x^2 \right|\]\[\large \implies 3x^2\left( 3x^3-4 \right)=\pm1\]

So, solve,
\[\large 9x^5-12x^2-1=0\ and\ \large 9x^5-12x^2+1=0\]

Answer 2

solve if i solve this i will get my answer

Answer 3

yes ... *and should be or

Answer 4

http://www.wolframalpha.com/input/?i=9x%5E5-12x%5E2%2B1%3D0+or+9x%5E5-12x%5E2-1%3D0