The graph of the function m(x) = x3 + 3x2 - 2x - 4 has a zero at -1. What are the other zeros of the function?

Need on this one asap im almost done with this subject

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

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