Answer:
x + 5/2
Step-by-step explanation:
we know that f(x)=x/2 + 3
therefore f(x-1)= (x-1)/2 + 3
but they asked f(2x) in terms of f(x-1)
there fore f(x-1) becomes the new f(x)
which means that f(2x)= [(2x)-1]/2 + 3
f(2x) = 2x/2 -1/2 +3
= x + 5/2
hope you understood the answer
