Positive and Negative Intervals of Functions

For what intervals of x is f(x) decreasing?

• -1≤x≤4

• -1<x<4

• -7<x<2

• x≥0

For what intervals of x does f(x) have a negative slope?

• -1<x<4

• -1≤x≤4

• x<-6 and x>4

• -6<x<-1

For what intervals of x is f(x) constant?

• -6≤x≤-1

• -1≤x≤4

• x<-6 and x>4

• -6<x<-1

What is the negative interval of the function?

What is the negative interval for the function?

What is the positive interval of the function?

• No Interval

• Positive Interval

• Negative Interval

Which is the correct positive interval for the function?

Write the interval that represents the negative portion of the function?

Where is the function positive?