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Home > CC4 > Chapter 3 > Lesson 3.1.6 > Problem 3-72

3-72.

If  and , evaluate: Homework Help ✎

  • Substitute the value for x.
    f(−5) = 7 +|-5| = 7 + 5 = 12

  • Substitute the value for x.
    g(4)= 4³ − 5 = 64 − 5 = 59

c.

  • Substitute the value for x.
    f(0) = 7 + |0| = 7 + 0 = 7

  • See parts (a) and (c).

  • Substitute the value for x.
    g(−2) = (−2)³ − 5 = −8 − 5 = −13

  • See parts (b) and (e).