Rational Functions Introduction

• Yes

• No

• x = -7 and 3

• x = -7 and -3

• x = -3 and 7

• x = 3 and 7

• y = -2

• y = 0

• y = 1/2

• x = 2

• none

• There is a hole at x=3

• There is a hole at x= -2

• The horizontal asymptote is at y=0

• The domain is {x|x≠2,3}

Select all of the true statements.

• A hole occurs where x=3

• vertical asymptote at x=3

• vertical asymptote at x=5

• A hole occurs where x=5

• The function is discontinuous at x={-5, -3}

• n = 1

• n = -5

• n = -1

• n = 5

What is f(g(3))?

• 1/8

• 8

• 1/4

• 1/2

Which type of function has a variable in the denominator?

• Rational

• Polynomial

• Exponential

• Linear

What makes a function nonlinear?

• It creates a straight line on a graph

• It has no variables

• It only has one term

• It has a variable in the denominator or exponent

How can you identify a rational function?

• It has no variables

• It has only constant terms

• It forms a straight line

• The variable is in the denominator