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Varvara68 [4.7K]
3 years ago
13

Problem: Gerri made a function machine. Find the rule for Gerri's function machine.

Mathematics
1 answer:
shusha [124]3 years ago
5 0
There are an infinite number of possibilities, and not enough information
to decide which possibility is really the one inside the function machine.

Here are a few.  Each of these gives the result that you described,
and there are an infinite number of others:

f(x) = x

f(x) = 2x + 1

f(x) = 10x + 9

f(x) = x² - 2

f(x) = 7x² - 8

f(x) = 31x³ + 30

f(x) = log( |x| ) - 1

f(x) = ln( |x| ) - 1

f(x) = x tan(45°)
.
.
etc.
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