Increasing Decreasing Constant Functions

Which statement is true about this function?

• The function is never constant

• The function is always increasing

• The function is never decreasing

• The function increases on the interval 11:00 < x < 15:00

in interval A the function is

• increasing

• decreasing

• constant

in interval B the function is

• increasing

• decreasing

• constant

in interval C the function is

• increasing

• decreasing

• constant

in interval E the function is

• increasing

• decreasing

• constant

Is the function linear or nonlinear?

• Linear Function

• Nonlinear Function

What is the direction of the following graph?

• Increasing

• Decreasing

• Constant

Answer explanation

READING THE GRAPH FROM LEFT TO RIGHT, the function is DECREASING (think of the hiker SLIDING DOWN a mountain).

What is the direction of the following graph?

• Increasing

• Decreasing

• Increasing and decreasing

Answer explanation

READING THE GRAPH FROM LEFT TO RIGHT, the function is INCREASING (think of the hiker CLIMBING a mountain).

What is the direction of the following graph?

• Increasing

• Decreasing

• Constant

• Combination of all

Answer explanation

READING THE GRAPH FROM LEFT TO RIGHT, the function is decreasing (think of the hiker sliding down a mountain).

What is the direction of the following graph?

• Increasing

• Decreasing

• Increasing and decreasing

Answer explanation

READING THE GRAPH FROM LEFT TO RIGHT, the function is decreasing AND increasing