If a polynomial function f(x) has roots -4.2, 1, and IT what must also be a root of f(x)?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25