Find f(2) if f(x) = (x+1)^2

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.