Practice Problems

  1. Functions ‍f (solid) and ‍g (dashed) are graphed.

    q1

    f is defined as ‍f(x)=-2\log_2(x+1)+3.

    What is the equation of ‍g?

    Choose 1 answer:

    1. g(x)=-2\log_2(x+1)+3
    2. g(x)=2\log_2(x+1)-3
    3. g(x)=-2\log_2(1-x)+3
    4. g(x)=2\log_2(1-x)-3

  2. This is the graph of function f(x)=\sqrt[3]{x-2}.

    q2

    What is the graph of g(x)=-\sqrt[3]{x-2}.

    Choose 1 answer:

    1. a

    2. b
    3. c
    4. d

  3. Functions ‍f (solid) and ‍g (dashed) are graphed.

    q3

    What is the equation of ‍g in terms of f?

    Choose 1 answer:

    1. g(x)=f(x)
    2. g(x)=-f(x)
    3. g(x)=f(-x)
    4. g(x)=-f(-x)

  4. This is the graph of function f.

    q4

    Function g is defined as g(x)=f(-x).

    What is the graph of g.

    Choose 1 answer:

    1. a

    2. b
    3. c
    4. d

Source: Khan Academy, https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:transformations/x2ec2f6f830c9fb89:reflect/e/reflect-functions
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