Explanation:
Step 1: Solve using the first point
(2, 28)


Step 2: Solve using the second point
(-1, -5)


Step 3: Solve using the third point
(4, 220)


Step 4: Solve using the fourth point
(-2, -20)


Step 5: Combine the first and fourth equations





Step 6: Solve for c in the second equation



Step 7: Substitute d with the stuff we got in step 5



Step 8: Substitute d and c into the first equation






Step 9: Substitute a, b, and c into the third equation





Step 10: Find a using b = 2



Step 11: Find c using a = 3 and b = 2




Step 12: Find d using b = 2




Answer:
