# 005 Sample Final A, Question 20

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**Question ** Consider the following rational function,

a. What is the domain of f?

b. What are the x and y-intercepts of f?

c. What are the vertical and horizontal asymptotes of f, if any? Does f have any holes?

d. Graph f(x). Make sure to include the information you found above.

Final Answers |
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a) False. Nothing in the definition of a geometric sequence requires the common ratio to be always positive. For example, |

b) False. Linear systems only have a solution if the lines intersect. So y = x and y = x + 1 will never intersect because they are parallel. |

c) False. does not have an inverse. |

d) True. has multiple solutions. |

e) True. |

f) False. |