SOLUTION: The change in the stock price of Company B is a function of the change in the stock price of its parent company, Company A, as shown in the table. In this function, x represents t

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: The change in the stock price of Company B is a function of the change in the stock price of its parent company, Company A, as shown in the table. In this function, x represents t      Log On


   

Question 948873: The change in the stock price of Company B is a function of the change in the stock price of its parent company, Company A, as shown in the table. In this function, x represents the change in price of 1 share of Company A stock and f(x) represents the change in price of 1 share of Company B stock. Write the ordered pair that represents the x-intercept of this function. THE TABLE IS BELOW
x 3 6 9 12
________
f(x) 1 3 5 7
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

Find the slope,
m=%287-1%29%2F%2812-3%29=6%2F9=2%2F3
So then using any point, find the equation of the line.
y-1=%282%2F3%29%28x-3%29
y-1=%282%2F3%29x-2
y=%282%2F3%29x-1
So when y=0
0=%282%2F3%29x-1
%282%2F3%29x=1
x=3%2F2
(3%2F2,0)