Adrian planted 4 hibiscus plants for his science project and measured their height every week. After the first week, the heights of the plants A, B, C, and D were 1634, 1623, 1612, and 1645 centimeters respectively. Which plant is the tallest?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

How many and of which kind of roots does the equation f(x)=x3−x2−x+1

Let f(x) = 1/x^2 (a) use the definition of the derivatve to find f'(x). (b) find the equation of the tangent line at x=2