Mathematical Investigations III Name Mods:

The World Upside Down: An Opportunity to Demonstrate Knowledge

NO CALCULATOR

1. For give equations/locations of the feature indicated:

a. Vertical Asymptote(s):

b. Horizontal/Slant Asymptote(s):

c. Zero(es):

d. y-intercept:

e. Hole(s):

f. Determine where g(x) crosses its horizontal/slant asymptote if it does.

g. Sketch the graph of and label all significant features.

2. Write the equation of a rational function , whose only zero is at x = –5, with a hole at x = 0, a vertical asymptote at , a second vertical asymptote at , with both parts of the graph heading toward the same infinity from either side of , and horizontal asymptote at.

3. Write a rational function that could fit the graph shown below.

True Or False: Briefly explain your reasoning.

______4. has a hole in the graph at .

______5. A rational function could have a horizontal asymptote as you move off to the left and a slant asymptote as you move off to the right.

______6. The graph of will cross its slant

asymptote at .

7. On the axes below, sketch the graph of the reciprocal of the given graph.

Clearly indicate all significant features.

8. Make a sketch of the graph of , clearly labeling the coordinates or equations of all important features.

Rational Functions Test -4- Rev. S12