Which statement about the function is true? The function is positive for all real values of x where x>-4, . The function is negative for all real values of x where - 6 < x < - 2 . The function is positive for all real values of x where x < - 6 or x > - 3 . The function is negative for all real values of x where x < - 2

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?