the given expression is,
g(x) = 2I f(2x + 1) I - 3
for g(2), we will put x = 2
g(2) = 2 I f(2(2) + 1) I - 3
= 2 I f(4 + 1 ) I - 3
= 2 I f(5) I - 3
as the value of f(5) is = -5 .......(Given)
put the value of f(5)
= 2 I-5I - 3
= 2(5) - 3
= 10 - 3
= 7
so,
g(2) = 7
thus, the value of g(2) is 7
