Set, Relation and FunctionHard
Question
Let f(x) be continuous and differentiabls function for all reals f(x + y) = f(x) - 3xy + f(y).
If
= 7 then the value of f′(x) is :-
If
= 7 then the value of f′(x) is :-Options
A.-3x
B.7
C.-3x + 7
D.2f(x) + 7
More Set, Relation and Function Questions
A real valued function $f(x)$ satisfies the functional equation $f(x - y) = f(x)f(y) - f(a - x)f(a + y)$ where $a$ is a ...Let S be a non-empty subset of R. Consider the following statement: P: There is a rational number x ∈ S such that ...The relation R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3)} on the set A = {1, 2, 3} is -...Let f : N → Y be a function defined as f (x) = 4x + 3, where Y = {y ∈ N : y = 4x + 3 for some x ∈ N}. ...A = {a, e, i, o, u}and B = {i, o} then the true statement is -...