Answer:
5
Step-by-step explanation:
2x5x7=70
I believe it's increasing on all fronts, because if you start from the right, you see that the y values always increase, hence they are increasing. They do it for when x<0 and when x>0. So, it should be increasing on all real numbers
Answer:
<h2>x = 4.8</h2>
Step-by-step explanation:

No there will not be enough. Think about it this way. If each slice is 1/4 of the pizza, then each pizza can only feed 4 people. If you have 3 of these pizzas, then you can feed 12 people at most. Since there are 14 kids, you won't have enough.
Hope it helps :) and let me know if you want me to explain why