The graph below shows three functions; which function has all real numbers as it’s domain? a.) only f(x) b.) both g(x) and p(x) c.) both f(x) and g(x) d.) only p(x)

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?