If f(x) = ax + b, where, a and b are integers,

Question:

If f(x) = ax + b, where, a and b are integers, f(−1) = −5 and f(x) = 3, then a and b are equal

(a) a = −3, b = −1

(b) a = 2, b = −3

(c) a = 0, b = 2

(d) a = 2, b = 3

Solution:

f(x) = ax b

Given f(−1) = −5 and f(x) = 3

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