Quiz about Positive and Negative Intervals of Functions

Question 1

What is the negative interval of the function?

Accepted Answer

$$-2<x<1$$

Answer

$$x>-2\ or\ x<1$$

Answer

$$x<-2\ or\ x>1$$

Answer

$$-2<x<0$$

Question 2

What is the negative interval for the function?

Accepted Answer

$$x<-5\ or\ x>-3$$

Answer

$$x>-5\ or\ x<-3$$

Answer

$$-5<x<-3$$

Question 3

What is the positive interval of the function?

Accepted Answer

$$-1<x<1$$

Answer

$$x<-1\ or\ x>1$$

Answer

$$x<1$$

Question 4

What does the interval $$x>-2$$ represent on this function?

Accepted Answer

Positive Interval

Answer

No Interval

Answer

Negative Interval

Question 5

Which is the correct positive interval for the function?

Accepted Answer

$$0<x<2$$

Answer

$$x<3$$

Answer

$$x<0\ or\ x>2$$

Question 6

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

Accepted Answer

$$-3<x<2$$

Answer

$$x<-3\ or\ x>2$$

Answer

$$-6<x<2$$

Question 7

Where is the function positive?

Accepted Answer

$$x<-3\ or\ x>2$$

Answer

$$x<-3\ or\ x<-6$$

Answer

$$-3<x<2$$

Question 8

The interval $$x<1$$ describes what interval?

Accepted Answer

Negative Interval

Answer

Positive Interval

Answer

No Interval

Question 9

Identify where the function is decreasing.

Accepted Answer

x < 0

Answer

x > 0

Answer

x < -3 , x > 3

Answer

-3 < x < 3

Question 10

What is the interval of increase and decrease in the following function.

Accepted Answer

Decreasing at (-5, -2) and (0, 2)

Accepted Answer

Increasing at $$\left(2,\infty\right)$$

Answer

Decreasing at (5, 0) and (0, 2)

Answer

Increasing at (2, 6)

Answer

Increasing at (-2, 0) and $$\left(2,\infty\right)$$

Question 11

Identify where the function is positive.

Accepted Answer

$$x<-5\ \ ,\ 0

Answer

$$x<-5\ \ ,\ \ \ x>0$$

Answer

$$-5<x<0\ \ ,\ \ \ x>6$$

Answer

$$x>-5\ \ ,\ \ \ x<6$$

Positive and Negative Intervals of Functions

15 questions

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

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

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

What is the negative interval of the function?

What is the negative interval for the function?

What is the positive interval of the function?

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?

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