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Mathematics
Brooks Bell
21 February, 04:49
Find (gOf) (3)
f (x) = 3x-2
g (x) = x^2
+1
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2
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Derrick Galvan
21 February, 06:06
0
For this case, the first thing we must do is the composition of functions.
We have:
f (x) = 3x-2
g (x) = x ^ 2
(gOf) (x) = (3x-2) ^ 2
We now evaluate the function:
(gOf) (3) = (3 * (3) - 2) ^ 2
(gOf) (3) = (9-2) ^ 2
(gOf) (3) = (7) ^ 2
(gOf) (3) = 49
Answer:
(gOf) (3) = 49
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Jayce Franklin
21 February, 07:49
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F (x) = 3x-2
g (x) = x^2
(g o f) (3) = ?
(g o f) (3) = g (f (3))
x=3→f (3) = 3 (3) - 2
f (3) = 9-2
f (3) = 7
(g o f) (3) = g (f (3)) = g (7)
x=7→g (7) = 7^2
g (7) = 49
Answer: (g o f) (3) = 49
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