 Practice with Function Features Terms of Use    Contact Person: Donna Roberts  1.
Regarding the graph at the right:
a) What is the x-intercept?
Choose:
 (-1,0) (0,1) (0,-1) (1,0)

b)
What is the y-intercept?
Choose:
 (-1,0) (0,1) (0,-1) (1,0) 2.
Which function has the same
y-intercept as the graph at the right?

Choose:
 y + 3 = 6x 6y + x = 18 27 + 3y = 6x  3.
Regarding the graph at the right:
a) On what interval(s) is the function increasing?

Choose:
 -1 < x < 3 x < -1 and x > 3 x < 0 and x > 2 0 < x < 2

b)
On what interval(s) is the function decreasing?
Choose:
 -1 < x < 3 x < -1 and x > 3 x < 0 and x > 2 0 < x < 2  4.
Regarding the graph at the right:
a) On what interval(s) is the function positive?
Choose:
 x < 0 x < -1 and x > 1 x < -1 x < -1 and x > 1

b) On what interval(s) is the function negative?
Choose:
 x < -1 -1 < x < 1 -1 < x < 1 x < -1 and x > 1 5.
A function has the following properties:
• it is decreasing and linear between x = -5 and x = -2.
• it is increasing and non-linear between x = -2 and x = 0.
• it is constant between x = 0 and x = 2.
• it is increasing and linear between x = 2 and x = 5.
Which graph best represents this function?

Choose:    6.
A function graph is shown at the right. Which statement is TRUE regarding this graph?
Choose:
 From A to B, the function is linear and decreasing. From B to C, the function is linear and decreasing. From C to D, the function is non-linear and increasing. From D to E the function is non-linear and increasing. 7.
The graph at the right shows y as a function of x.

For which intervals is the function decreasing?

Choose all that apply.

Then hit "Submit". -5 < x < -3 -3 < x < 0 0 < x < 1 1 < x < 3 3 < x < 5

8.
One characteristic of all linear functions is that they change by ...
Choose:
 equal factors over equal intervals. unequal factors over equal intervals. equal differences over equal intervals. unequal differences over equal intervals.

9.
Which of the following functions has the greatest y-intercept?

Choose:
 y = 3x 2x + 3y = 12 the line that has a slope of 2 and passes through (1,4) 10.
A function graph is shown at the right. Over what intervals is this graph increasing?

Look carefully at the labeling on the axes.

Choose:

 x < -3 and 0 < x < 2 -2 < x < 0 and x > 2 x < -4 and 0 < x < 4 -4 < x < 0 and x > 2  