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r-ruslan [8.4K]
2 years ago
5

F(x) = 2x and g(x) = x + 1, find f(3) and find gf(3)

Mathematics
1 answer:
lord [1]2 years ago
8 0

Answer:

6 and 7

Step-by-step explanation:

To evaluate f(3), substitute x = 3 into f(x) , that is

f(3) = 2(3) = 6

To evaluate g(f(3)), substitute f(3) = 6 into g(x)

g(6) = 6 + 1 = 7

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