Answer: 5/8
Explanation:
Well, first you need to replace x with 0.5 (1/2). Now your equation should look like this: f(x)=3/4(1/2)+1=?. Now multiply 3/4 by 1/2 and you get -3/8 (-0.375). When you add 1 to this it becomes 0.625. 0.625 as a fraction is 5/8. Hope this helps!