Relations And Functions Mock Tests

The range of f(x) = x² is:

If f(x) = x^2 - 3x + 2, then f(x + 1) equals:

The function f: R − {3} → R defined by f(x) = (x − 3)/(x − 3) is:

If f(x) = 2x² + 3x − 1, then f(2) equals:

If f(x) = 2x + 3, then f(5) is:

The relation R defined on the set of integers as (a, b) ∈ R if a − b is divisible by 2 is:

The function f: R → R defined by f(x) = x³ − x is:

The number of relations from set A = {1, 2, 3} to set B = {a, b} is: