Calculate the indicated function values in the following problems. Simplify your answers.

14) , 15) , 16) , 17) , 18) , 19) , 20) , 21)

Step-by-step explanation:

Let and , we proceed to resolve on each case:

14)

15)

16)

17)

18)

19)

20)

21)

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step-by-step explanation:

step-by-step explanation:

it's is b