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
For two data sets, each of size 5, the variances are given to be 4 and 5 and the corresponding means are given to be 2 a...The range of k for which the inequality k cos2x - k cos x + 1 ≥ 0 ∀ x ∈ R, is -...Let f : [0, 2] → R be a function which is continuous on [0, 2] and is differentiable on (0, 2) with f(0) = 1. Let ...If f is a real-valued differentiable function satisfying |f(x) – f(y)| ≤ (x - y)2, x, y ∈ R and f(0) = 0, ...If A and B are disjoint, then n(A ∪ B) is equal to-...