Quiz about AP Precalc Quiz Review 1.1-1.3

Question 1

On what interval is h concave up?

Accepted Answer

(1,6)

Answer

(-6, 3)

Answer

(-6, 0)

Answer

(-3, 3)

Question 2

The graph of the function f is shown in the figure. The extrema for f are labeled where A, B, C, D, and E represent the x-coordinates at those points. On which of the following intervals is the rate of change of f positive and decreasing?

Accepted Answer

the interval from A to B

Answer

the interval from B to C

Answer

the interval from C to D

Answer

the interval from D to E

Question 3

The graph of the function f is shown in the figure. The extrema for f are labeled where A, B, C, D, and E represent the x-coordinates at those points. On which interval is the rate of change of f negative and decreasing?

Accepted Answer

the interval from D to E

Answer

the interval from A to B

Answer

the interval from B to C

Answer

the interval from C to D

Question 4

What are the intervals of x where the function g is increasing at a decreasing rate?

Accepted Answer

(1,4)

Answer

(-2,1)

Answer

(-2,4)

Answer

(1,6)

Question 5

The table shows the values for a function f at selected values of x. Which of the following claim and explanation statements best fit these data?

Accepted Answer

f is the best fit model by linear function because the rate of change over consecutive equal-length input-value intervals is constant. The constant rate of change is -3.

Answer

f is the best fit model by linear function because the rate of change over consecutive equal-length input-value intervals is linear.

Answer

f is the best fit model by quadratic function because the rate of change over consecutive equal-length input-value intervals is constant.

Answer

f is the best fit model by quadratic function because the rate of change over consecutive equal-length input-value intervals is linear

Question 6

The table shows values for a function k at selected values of x. Which of the following claim and explanation statements best fit these data?

Accepted Answer

k is the best modeled by a quadratic function because the rate of change over consecutive equal-length input-value intervals is linear. The rate of change is changing at a constant rate of -1

Answer

k is the best modeled by a linear function because the rate of change over consecutive equal-length input-value intervals is constant

Answer

k is the best modeled by a linear function because the rate of change over consecutive equal-length input-value intervals is linear

Answer

k is the best modeled by a quadratic function because the rate of change over consecutive equal-length input-value intervals is constant

AP Precalc Quiz Review 1.1-1.3

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