The function f is defined by f(x) = a+b/x where a and b are constant .given that f (3) = 2 and f (7) = -2.
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Let's find , which is essentially what the problem is asking, what
corresponds to an output of 2.
Let's solve below:
- Setting up what we know
- Substituting in
for
(I'm not sure if this is the correct expression for
- Subtract 4 from both sides to make a step to isolate
(what we are trying to find)
- Divide both sides of the equation by 23 to isolate
Thus the input is .