Problem

Sales of CRT and LCD Screens In 2002, 75 million CRT (cathode ray tube) mo...

Sales of CRT and LCD Screens In 2002, 75 million CRT (cathode ray tube) monitors were sold and 29 million flat LCD (liquid crystal display) monitors were sold. In 2006, the numbers were 45 million for CRT monitors and 88 million for LCD monitors. (Source: International Data Corporation.)

(a) Find a linear function C that models these data for CRT monitors and another linear function L that models these data for LCD monitors. Let x be the year.

(b) Determine the year when sales of these two types of monitors were equal.

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