Positive and Negative Domains: Graphical representation with data

Examples with solutions for Positive and Negative Domains: Graphical representation with data

Exercise #1

Look at the function graphed below.

Find all values of x x

where f\left(x\right) < 0 .

000-3-3-3333XY

Video Solution

Answer

x > 3 or x < -3

Exercise #2

Find all values of x

where f\left(x\right) > 0 .

XXXYYY-6-6-6-10-10-10-2-2-2

Video Solution

Answer

x > -2 or x > -10

Exercise #3

Find all values of x x

where f\left(x\right) > 0 .

XXXYYY555

Video Solution

Answer

x < 5 or x > 5

Exercise #4

Find all values of x x

where f\left(x\right) < 0 .

XXXYYY888

Video Solution

Answer

x < 8 or 8 < x

Exercise #5

Based on the data in the sketch, find for which X values the graph of the function f\left(x\right) > 0

XXXYYY222888555

Video Solution

Answer

2 < x < 8