Functions
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1. The functions fand g are defined as follows f(x)=2x+5
g(x)=X-3\2

Evaluate
(a) f-1(19)
(b) gf (3)

The functions fand g are defined as follows f(x)=6x+8 x-2 g(x)= 3
(a) Calculate the value of g (½)
(b) Write an expression for gf (x) in its simpliest form.
(c) Find the inverse of the function f-1 (x)

3. The function f and g are defined by f(x) = x +5 g(x) = x²
Evaluate
(a) g(3)+ g(-3)
(b) f¹(6)
(c) fg (2)
4. Given that g(x) = 4x + 5 and 2x+1 f(x)= 3 Determine
(a) fg (2)
(b) f-1 (3) ​