B | math4u.vsb.cz

1103034604

Level:

Given graphs of the functions \( f(x)=-2x^2+5x+3\) and \( g(x)=2x+1 \), find the solution set of the following inequality. \[ -2x^2+5x+3 < 2x+1 \]

\( (-\infty,-0.5)\cup(2,\infty) \)

\( (-0.5,2) \)

\( (-\infty,-0.5)\cup(3,\infty) \)

\( (-0.5,3) \)

1103034603

Level:

Given graphs of the functions \( f(x)=x^2-6x+8\) and \( g(x)=-2x+4 \), find the solution set of the following inequality. \[ x^2-6x+8\geq-2x+4 \]

\( \mathbb{R} \)

\( (-\infty,2]\cup[4,\infty) \)

\( \{2\} \)

\( [2,4] \)

1103034602

Level:

Given graphs of the functions \( f(x)=x^2-6x+8\) and \( g(x)=2x+1 \), find the solution set of the following inequality. \[ x^2-6x+8>2x+1 \]

\( (-\infty,1)\cup(7,\infty) \)

\( (1,7) \)

\( (-\infty,2)\cup(4,\infty) \)

\( (1,\infty) \)

1103034601

Level:

Given graphs of the functions \( f(x)=x^2-6x+8\) and \( g(x)=-x^2-2x+24 \), find the solution set of the following inequality. \[ x^2-6x+8\leq-x^2-2x+24 \]

\( [-2,4] \)

\( [2,4] \)

\( [0,24] \)

\( [-6,4] \)

1003029006

Level:

Find the solution set of the inequality. \[ \left(x^4+1\right)\left(x^2+4\right) < 0 \]

\( \emptyset \)

\( (-\infty,-2)\cup(2,\infty) \)

\( (-2,-1)\cup(1,2) \)

\( (-1,1) \)

1003029005

Level:

Find the solution set of the inequality. \[ \left(2x^2-18\right)\left(x^3-8\right) < 0 \]

\( (-\infty,-3)\cup(2,3) \)

\( (-3,2)\cup(3,\infty) \)

\( (-3,3) \)

\( (-\infty,-3) \)

1003029004

Level:

Find the solution set of the inequality. \[ x^4-1\geq0 \]

\( (-\infty,-1]\cup[1,\infty) \)

\( [-1,1] \)

\( \mathbb{R} \)

\( [ 1,\infty ) \)

1003029003

Level:

Find the solution set of the inequality. \[ \left(x^3+8\right)\left(x^4+1\right)\left(x-3\right) < 0 \]

\( (-2,3) \)

\( (-\infty,-2)\cup(3,\infty) \)

\( (-2,\infty) \)

\( (-\infty,-2)\cup(-1,1)\cup(3,\infty) \)

1003029002

Level:

Find the solution set of the inequality. \[ \left(x^2-1\right)\left(x^2-3\right) > 0 \]

\( \left(-\infty,-\sqrt3\right)\cup(-1,1)\cup\left(\sqrt3,\infty\right) \)

\( \left(-\sqrt3,-1\right)\cup\left(1,\sqrt3\right) \)

\( \left(-\infty,-\sqrt3\right)\cup(1,\sqrt3)\cup\left(\sqrt3,\infty\right) \)

\( \left(-\infty,1\right)\cup\left(\sqrt3,\infty\right) \)

1003029001

Level:

Find the solution set of the inequality. \[ \left(x^2+1\right)\left(x^2+3\right)\geq0 \]

\( \mathbb{R} \)

\( (-\infty,-1]\cup[1,\infty) \)

\( (-\infty,-1)\cup(1,\infty) \)

\( (-\infty,-\sqrt3]\cup[\sqrt3,\infty) \)

\( \emptyset \)

B

1103034604

1103034603

1103034602

1103034601

1003029006

1003029005

1003029004

1003029003

1003029002

1003029001

About portal

O portálu