Problem

Google Ad Dollars Google’s advertising revenues R in billions of dollars x...

Google Ad Dollars Google’s advertising revenues R in billions of dollars x years after 2004 can be modeled by R(x) = 5x + 2.

(a) Evaluate R(7), and interpret your result.

(b) Use the formula for R(x) to write an equation that gives the ad revenues y for Google in billions of dollars during year x.

(c) Refer to part (b) and find y when x = 2011. Interpret your result.

(d) Use your equation in part (b) to determine when Google’s ad revenues first reached $27 billion.

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