PLEASE HELP ME I NEED HELP DESPERATELY I WILL GIVE BRAINLIEST TO THE FIRST CORRECT ANSWER!!
Answer in (x, y) format:

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

Asequence is a function whose is the set of natural numbers