Evaluating Combinations of Functions

Discussion in 'Other Pre-University Math' started by nycmathguy, Aug 3, 2021.

  1. nycmathguy

    nycmathguy

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    Section 1.8
    Question 46

    See attachment.

    Let me see.

    46a.

    (f - g)(1) means f(1) - g(1).

    f(1) = 2

    g(1) = 3

    So, (f - g)(1) = 2 - 3 or -1.

    46b.

    (fg)(4) means f(4) • g(4).

    f(4) = 4

    g(4) = 0

    So, (fg)(4) = 4(0) = 0.

    You say?


    20210803_034102.jpg
     
    nycmathguy, Aug 3, 2021
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  2. nycmathguy

    MathLover1

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    correct
     
    MathLover1, Aug 3, 2021
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  3. nycmathguy

    nycmathguy

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    Finally got it right.
     
    nycmathguy, Aug 4, 2021
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