diketahui f(2x-3) = 5x+1 tentukan rumus f(x) dan f(5) + f(3)

f(2x - 3) = 5x + 1
f(x) = 5(x + 3)/2 + 1
f(x) = 5/2 (x + 3) + 1
f(x) = 5/2 x + 15/2 + 2/2
f(x) = (5x + 17)/2

f(5) + f(3)
= (5.5 + 17)/2 + (5.3 + 17)/2
= 21 + 16
= 37