4x-4 is greater than or equal to -3x^2 solve algebraically
start with \[3x^2+4x-4\ge 0\]
then see if you can factor to find the zeros
OK
I cant get it
you get that last problem?
No i didnt get that one either
I need to find the solution set for this one
\[3x^2+4x-4\geq 0\\(3x-2)(x+2)\geq 0\]
zeros are at \(-2,\frac{2}{3}\) and since this is a parabola that faces up, it will be positive outside the zeros |dw:1410918783882:dw|
two intervals \[(-\infty,-2]\cup [\frac{2}{3},\infty)\]
so what is the solution set be
then ones i wrote above
what about use the remainder hteorem to find the remainder when f(x) is divided by x-1 than factor the theorem to determine whether x-1 is a factor of f(x)=2x^4-5x^3+4x-1
remainder is \(f(1)\)
i.e. \[2-5+4-1=0\]
and since \(f(1)=0\) that makes \(x-1\) a factor of \[2x^4-5x^2+4x-1\]
Do you have time to keep helping me?
Join our real-time social learning platform and learn together with your friends!