I do not know how to answer these questions, can someone explain what I would do to solve them?

A11 gram sample of a substance that’s used to treat thyroid disorders has a k-value of 0.1247

Hi i need i need to get all a’s and i really need some

Draw a graph y=f(x) that matches the following characteristics. increasing on: -8< x< -4 and-1< x< 5. decreasing on : -4< x< -1. f(-8)=-5 and zeros at x=-6,-2,and 3. absolute maximum of 7 and absolute minimum of -5.