Test Section08SolvingInEqTest

For what values of $x$ is $3x^2-3x$ negative?

For what values of $t$ is $t^2-3t-4\ge0$?

For what values of $x$ is $2xe^x + x^2e^x$ negative or zero?

For what values of $x$ is ${\ln(x)\over x}$ positive or zero?

For what values of $x$ is $4x^{3/5}$ positive?

For what values of $x$ is $\sqrt{9x}-x<2$?

For what values of $x$ is $\displaystyle{2\over x-5}>3$?

For what values of $y$ is $y^2+3y+2>2y^2+4$?

For what values of $x$ is $(x-1)(x-2) \le(x-1)$?

For what values of $x$ is $2(x-1)(x+4)+(x-1)^2>0$?