If fx-2 x-1- gx-x-1-2- then fog- -A- xB- 2 xC- 1D- 0

The correct option is A xGiven, f(x) = 2x 1, g(x) = x+1/2 fog = f(g(x)) = f(x+1/2) = 2(x+1/2) 1 = x ...

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Composition of Function

If fx=2 x-1, ...

Question

$If f (x) = 2 x - 1, g (x) = \frac{x + 1}{2}, then f o g =$ ___.

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If f (x) = 2 x - 1, g (x) = \frac{x + 1}{2}, then f o g - g o f =

How many of the following pairs of function are identcal

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(b) $f (x) = \frac{x^{2} - 1}{x - 1}, g (x) = x + 1$

(d) $f (x) = \frac{x}{x^{2}}, g (x) = \frac{1}{x}$

How many of the following pairs of function are identcal

(a) f (x) = $\frac{x^{2}}{x}, g (x) = x$

(b) f(x) = $\frac{x^{2} - 1}{x - 1}$ g(x) = x + 1

(d) $f (x) = \frac{x}{x^{2}}, g (x) = \frac{1}{x}$

How many of the following pairs of function are identical?

(a) f (x) = $\frac{x^{2}}{x}, g (x) = x$

(b) f (x) = $\frac{x^{2} - 1}{x - 1}$ g(x) = x + 1

(d) $\frac{1}{x} f (x) = \frac{x}{x^{2}}, g (x) = \frac{1}{x}$

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