When a number is decreased by 3 and the result is doubled, the answer is equal to the original number. Find the number

Use the graph of the sine function y=2sinθ shown below

When is g(x) = 0 for the function g(x) = 5.23x + 4?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z