Pop Quiz 2

The graph of a function is increasing at [a, b] if

• f(a) < f(b)

• f(a) > f(b)

The graph of a function is decreasing at [a, b] if

• f(a) < f(b)

• f(a) > f(b)

The graph is ___________ when the rate of change is increasing.

• Concave UP

• Concave DOWN

The graph is ___________ when the rate of change is decreasing.

• Concave UP

• Concave DOWN

How many inflection points are there in the graph?

• one

• two

• three

• four

The slopes are ________________ at x = -2.75.

• increasing

• decreasing

The rate of change is _______________ at [1, 3].

• increasing

• decreasing

The rate of change is zero at ____________

• x = -1.6 only

• x = 4.2 and x = -1.6

• x = -1.6, x = 4.2, and x = 2

• rate of change is never zero at any point in the graph

The slope is ______________ at x = 1.

• positive

• negative

• zero

The range of the function is ___________

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