Answer:
A 3SIDED shape
Step-by-step explanation:
f(7)=10-14=-4
Answer=-4
Answer to your query is provided below in the image attached
0.5 cups or 1/2 a cup per person
becasue there are 2.5 SERVED to 5 people served is a key word btw. and it would make sence for people to get less than the total
