large box: 25 items
small box: 10 items
4 small boxes + 6 large boxes
4 * 10 + 6 * 25 = 40 + 150 = 190
Answer: 190 items
825 meters away
i think bit too sure
D is correct. f(-2) the number in the bracket is an input so..
whenever you see an X in the function replace it with -2
f(-2)=2*3^-2
3^-2 is 1/9
1/9 * 2 is simply 2/9
so D is correct