Question

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.

the answer for a is -1 and for b is 5...
plz someone help​

Answer 1

f(x) = a+b/x

We = 0

So that f(x) = 3+7/x = f(x) = 3+7/-2 = 5 also 3+7/-2+2 = 10/0 = -1

Explanation: