What are the domain and range of the function?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Can someone me with these questions? ?

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days