# precal - types of functions

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Spider Industries is a U.S.-based company that test-marketed an electronic cobweb destroyer in Japan. The company's revenue, R, is a function of the number of destroyers sold, x, using the following formula R = 160x -0.2x^2.

What type of function did Spider Industries use to describe its revenue as a function of sales?

• precal - types of functions -

You are planning to take Calculus and you do not recognize R = 160x - 1.2x^2 as a quadratic function?

Mmmmh!

• precal - types of functions -

hah well actually, that was my first thought, but not one of the choices given.

no need for smart comments thanks ;)

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