You need a new cell phone and are doing some research. You have found two companies that sound good. One of them, Sure Cell has a regression equation of y = 60x +120 and the second, Top Tower has a regression equation of y = 80x. You know that you will be keeping your plan for longer than 6 months. Which one of the two companies would you choose and why?

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1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?