Question

Find an exponential function whose graph passes through (1, 50) and (2, 25). Explain how you obtained your answer.

ASAP in a timed assignment

Answer 1

`f(x) = 100( { (1)/(2)) }^(x)`

Explanation:

I noticed that 25 is one-half of 50, and that 50 is one-half of 100. Given the points

(1, 50) and (2, 25), I knew that (0, 100) is a third point of this exponential function.