Positive and Negative Intervals of Functions

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

• -7<x<2 and x>5

• -7<x<2

• x<-6 and x>4

• -6<x<-1

Tags

CCSS.HSF-IF.C.7A

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

• x<-2 and x>2

• -2<x<2

• x≤-2 and x≥2

• x≥-4

Tags

CCSS.HSF-IF.C.7A

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

• x≤0

• x≥0

• -2<x<2

• x>-2

Tags

CCSS.HSF-IF.C.7A

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

• -2<x<2

• -2≤x≤2

• x<-2 and x>2

• x≤-4

Tags

CCSS.HSF-IF.C.7A

Over what intervals is the function positive?

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

• x<-2 and -2<x<1

• x<1

• -2<x<1

• x>1

Tags

CCSS.HSA.APR.B.3

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

• x≤-1

• x≥-1

• -3<x<1

• -3≤x≤1

Tags

CCSS.HSF-IF.C.7A

Identify the intervals where the function is positive.

• positive (-1, ∞)

• positive nowhere

• positive (-∞,-3) and (1,∞)

• positive (-∞,∞)

Tags

CCSS.HSF-IF.C.7A

Select all intervals in which the graph is positive.

• -∞ < x < -3

• -3 < x < 1

• 1 < x < ∞

Tags

CCSS.HSF-IF.C.7A

Identify the intervals where the function is positive.

• All real numbers

Tags

CCSS.HSF-IF.C.7A