1) 8 x 5 + 4 - 3 x 8
=20
2) 7 x 7 - 3 x 4 + 8 - 4
=41
3) 6 x 5 + 7
=37
4) 6 x 3 - 10/5
=16
5) 7 + 3(9 x 6 - 5 x 5)
=87x + 7
Hopefully that’s right :)
The -3 in f(-3) is the X coordinate, so you need to find where the line is on the Y coordinate at that point.
The line is at Y = -9
Answer:
Step-by-step explanation:
To understand the situations we must do a Venn diagram:
The total of people asked is 3400. Then,
a) For People who enjoyed vanilla but not chocolate or mint, seeing the diagram of Venn, we can deduce the equations:

b) For people who did not enjoy chocolate, vanilla or mint: