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

2-digit numbers less than 91 which are 1 less than a multiple of 10

Solve the formula ax+ by = c for x.

The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )