Use a calculator to work these exercises. (See Examples 9 and 10.)Business The revenue for...

Use a calculator to work these exercises. (See Examples 9 and 10.)

Business The revenue for Intel Corporation between 1998 and 2007 is approximated by

where x = 8 corresponds to 1998 and R(x) is in billions of dollars.†

(a) What was the revenue in 2000?

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(b) What was the revenue in 2007?

†Morningstar.com.