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kipiarov [429]
4 years ago
15

Help quick!!!!! I cannot figure it out, help.(Both)

Mathematics
1 answer:
Sladkaya [172]4 years ago
4 0

Answer:

a. 21x-2

b. -28x-2

c. 7b-35x-2

Step-by-step explanation:

a. f(3)

7(3x)-2

21x-2

b. f(-4)

7(-4x)-2

-28x-2

c. f(b-5)

7(b-5x)-2

7b-35x-2

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