The points with coordinates (-1,400) and (2,25/4) lie on the exponential function represented by the equation f(x) = ab^x. Which of the following statement(s) is true about f(x)?

I. The y-intercept of f (x) lies at 100
II. f(x) is a decreasing exponential function
III. The function decreases by a rate of 25%
(1) II, only
(3) I, II, and III
(2) I and II, only
(4) II and III, only

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

Graph the equation by plotting point x=2

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.