Using Technology to Help Analyze a Function

Question 1

Graph the function . What is the missing x-coordinate for the point , to the nearest tenth?

Revolt · Accepted Answer

9.5

Question 2

Graph the function y = x3 + 3x2 – x – 3. Which lists all of the turning points of the graph rounded to the nearest whole number?

Revolt · Accepted Answer

(–2, 3) and (0, –3)

Question 3

Use a calculator to graph the functions y = –3|x – 2| and y = x3 – 3x – 3. How many points of intersection do the functions share?

Revolt · Accepted Answer

3

Question 4

The graph of y = –|x| + 1 is shown.

Revolt · Accepted Answer

Point C is a maximum of the graph.

Question 5

Graph the function y = 4x4 – 8x2 + 4. Which lists all of the turning points of the graph?

Revolt · Accepted Answer

(–1, 0), (0, 4), and (1, 0)

Question 6

The graph of y = |2x – 2| – 4 is shown.

Revolt · Accepted Answer

A y-intercept of the graph is (0, –2).

Question 7

The graph of y = (x + 2)(x – 2)(x + 1) is shown.

Revolt · Accepted Answer

C

Question 8

The graph of y = x(x + 1)(x – 1)(x – 3) is shown.

Revolt · Accepted Answer

B

Question 9

The graph of a function is shown.

Revolt · Accepted Answer

(–0.5, –1)

Question 10

Graph the function y = 2x3 – x2 – 4x + 5. To the nearest tenth, over which interval is the function decreasing?

Revolt · Accepted Answer

(–0.7, 1)

Using Technology to Help Analyze a Function Answers