Advertisements
Advertisements
प्रश्न
If f(m) = m2 − 3m + 1, find `f(1/2)`
उत्तर
`f(1/2) = (1/2)^2 - 3(1/2) + 1`
= `1/4 - 3/2 +1`
=`(1-6+4)/4`
= `-1/4`.
APPEARS IN
संबंधित प्रश्न
Let f and g be two real functions defined by \[f\left( x \right) = \sqrt{x + 1}\] and \[g\left( x \right) = \sqrt{9 - x^2}\] . Then, describe function:
(iii) f g
Let f and g be two real functions defined by \[f\left( x \right) = \sqrt{x + 1}\] and \[g\left( x \right) = \sqrt{9 - x^2}\] . Then, describe function:
(viii) \[\frac{5}{8}\]
If\[f\left( x \right) = 1 - \frac{1}{x}\] , then write the value of \[f\left( f\left( \frac{1}{x} \right) \right)\]
If f(x) = 4x − x2, x ∈ R, then write the value of f(a + 1) −f(a − 1).
Write the domain and range of function f(x) given by \[f\left( x \right) = \sqrt{\left[ x \right] - x}\] .
If f(x) = 3x + a and f(1) = 7 find a and f(4).
Which sets of ordered pairs represent functions from A = {1, 2, 3, 4} to B = {−1, 0, 1, 2, 3}? Justify.
{(1, 3), (4, 1), (2, 2)}
Find x, if g(x) = 0 where g(x) = `(5x - 6)/7`
Find the domain and range of the follwoing function.
h(x) = `sqrt(x + 5)/(5 + x)`
If f(x) = 3x + 5, g(x) = 6x − 1, then find (f − g) (2)
Select the correct answer from given alternatives.
If f : R → R is defined by f(x) = x3 then f–1 (8) is equal to :
Answer the following:
If f(x) = 3x4 – 5x2 + 7 find f(x – 1)
Answer the following:
For any base show that log (1 + 2 + 3) = log 1 + log 2 + log 3
A graph representing the function f(x) is given in it is clear that f(9) = 2
For what value of x is f(x) = 1?
A function f is defined by f(x) = 2x – 3 find x such that f(x) = f(1 – x)
The function f and g are defined by f(x) = 6x + 8; g(x) = `(x - 2)/3`
Write an expression for gf(x) in its simplest form
Let f and g be two functions given by f = {(2, 4), (5, 6), (8, – 1), (10, – 3)} g = {(2, 5), (7, 1), (8, 4), (10, 13), (11, – 5)} then. Domain of f + g is ______.
The domain and range of the real function f defined by f(x) = `(4 - x)/(x - 4)` is given by ______.
The domain of the function f(x) = `1/sqrt(|x| - x)` is ______.
