FunctionHard
Question
The function f satisfies the functions equation 3f (x) + 2f 
= 10x + 30 for all real x ≠ 1. The value of f (7) is -
= 10x + 30 for all real x ≠ 1. The value of f (7) is -Options
A.8
B.4
C.− 8
D.11
More Function Questions
Let f(x) = - {x}, the range of f(x) is given by (where {.} represents fractional part of x)...If f : R → R, g : R → R and f(x) = 3x + 4 and (gof) (x) = 2x − 1, then the value of g(x) is -...A function whose graph is symmetrical about the y-axis is given by-...If f(x) = = y, (a ≠ c), then f(y) equals to...If f(x) = {x} + { x + 1} + {x + 2} ....... {x + 99}, then the value of [f(√2) is, where {.} denotes fractional par...