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CanadaON
Grade 12

Asymptotes and discontinuities

Interactive practice questions

A graph of the function $f\left(x\right)=-\frac{3}{x}$f(x)=3x is shown below.

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a

Complete the following statement.

If $x$x is positive, then as the value of $x$x approaches zero the value of the function approaches $\editable{}$.

b

Complete the following statement.

If $x$x is negative, then as the value of $x$x approaches zero the value of the function approaches $\editable{}$.

c

What is the equation of the vertical asymptote?

d

Complete the following statement.

If $x$x is positive, then as the value of $x$x gets very large (approaching $\infty$) the value of the function approaches $\editable{}$.

e

Complete the following statement.

If $x$x is negative, then as the value of $x$x gets very small (approaching $-\infty$) the value of the function approaches $\editable{}$.

f

What is the equation of the horizontal asymptote?

Easy
3min

A graph of the function $f\left(x\right)=4^x$f(x)=4x is shown below.

Easy
1min

The graph of a function $f\left(x\right)$f(x) is shown below. Use this graph to help determine if each of following statements are true or false.

Easy
< 1min

A graph of the function $f\left(x\right)=4+\frac{4}{x-5}$f(x)=4+4x5 is shown below.

Medium
3min
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Outcomes

12F.A.2.1

Determine, through investigation with technology and without technology, key features of the graphs of logarithmic functions of the form f(x) = log_b(x), and make connections between the algebraic and graphical representations of these logarithmic functions

12F.C.2.1

Determine, through investigation with and without technology, key features of the graphs of rational functions that are the reciprocals of linear and quadratic functions, and make connections between the algebraic and graphical representations of these rational functions

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