Question 18 (5 points) Saved The function f(x) = x is reflected across the x-axis and vertically stretched by a factor of 2. Select the correct graph for the resulting function.​

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Write an algebraic expression for the word expression the quotient of c and 8