Which description best explains the domain of (g circle f) (x)? the elements in the domain of f(x) for which g(f(x)) is defined the elements in the domain of f(x) for which g(f(x)) is not zero the elements in the domain of g(x) for which g(f(x)) is defined the elements in the domain of g(x) for which g(f(x)) is not zero

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

Find the value of x. round the length to the nearest tenth

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.