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Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?