Question 43490
{{{f(x)=(-x)^4 + 4x^2 - 2x}}}
f(-3) = 115
f(-2) = 30
f(-1) = 3
f(0) = 0
f(1) = 3
f(2) = 30
f(-3) = 115
{{{ graph( 600, 1200, -10, 10, -2, 38, (-x)^4 + 4x^2 - 2x ) }}}
Estimate:
Relative Minima: x = 0.125 or 1/8
Relative Maxima: None
Proof: {x --> +infinity][y --> +infinity}
Proof: {x --> -infinity][y --> +infinity}