Pls help me 1. f(x) = 3.5
11. f(x) = (4)
III. f(x) = -7e* + 8
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2) Identify the functions which represent exponential decay.
A) I and II only
B) I and Ill only
C) 1.11, and III
D) II and III only

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.