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Determining the area of the circle

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a) The cost of fuel in C dollars is a function of the number of liters (L)of fuel consumed. The cost of fuel is $1.01 per litre. The amount of fuel consumed (L) is a function o the number of hundreds of Km (K) travelled. A car consumes 12.4 L per 100km. Determine the cost of a trip of 200km.

b) a computer screen saver is an expanding circular pattern. The circle starts as a dot, then expands outwards as it grows over time. With a 21" screen, you have a viewing area with a 10" radius. The screen reaches the corners in exactly 4 seconds. What is the area of the circle at t=1 second?

Reference no: EM131227849

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