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Clark was calling on his cell-phone. Each minute costs 72 cents each. If he wants to know how much it would cost for each minute he uses it, what equation would you use to solve it? If a deal said that for every 10 minutes of the use of the phone costs $7.00, and Clark wanted to use his phone for 15 minutes of his phone, which minute plan would be cheaper? What is the Independent and Dependent Variables?
To Solve this equation, you can cut $7.00 in half and get $3.50. Then you add $3.50 to $7.00 and get $10.50 for 15 minutes. The other deal was, for every minute on the cell phone. It would cost them 72 cents. You would multiply C=15(.72) and get $10.80.
Absolute Value equations normally have a pattern with integers. They form a V shape on a graph. Suppose, you have a set of domains such as D:(-2,-1,0,1,2) To know if an equation is V Shaped, you would look for the absolute value, or y= x .