Is the vertex of the graph in problem 1 a maximum or a minimum

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8