A) 1, 94 ⋅ 6 b) 3, 6 ⋅ 0, 8 c) 20, 7 ⋅ 2, 4 d) 0, 82 ⋅ 0, 004 e) 0, 072 : 0, 6 f) 9, 6 : 0, 08

Can some one me with these questions

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 function is represented by the graph? a. f(x)=|x-1|+3 b. f(x)=|x+1|-3 c. f(x)=|x-1|-3 d. f(x)=|x+1|+3