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ziro4ka [17]
2 years ago
14

Solve y=f(x) for x then find the input when the output is 6 f(x)=x+9

Mathematics
1 answer:
r-ruslan [8.4K]2 years ago
4 0

x = -3

So to figure this out we can readjust the equation to make it easier to solve

f(x) = x + 9 is equal to x+9 = 6

From here we can just subtract 9 from both sides and we get our answer!

x+(9-9) = (6-9)\\x = -3

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