Why does an investigator change the value of a variable parameter during an investigation?

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10