Answer:

Step-by-step explanation:
The inverse of a quadratic function is not a function.
Answer:
3
Step-by-step explanation:
The formula of a slope:

We have m = -2 and the points (0, d) and (-8, 9). Substitute:

9 people have 4 or 5 pets. 4 people have 2 or 3 pets.
9-4=5
It is 45 because angle EBC is congruent to CDE (x) because of a rule called alternate angles. so x= 45°