Can you guys pls help me in the two questions plss

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

Which statement is true about the discontinuities of the function f(x) = x-5/ 3x^2-17x-28