50. Advertising. Sound Software estimates that it will sell N units of a program after spending a thousands of dollars on advertising, where N(a) = -a? + 300a + 6, 0 < a< 300. Find the maximum number of units that can be sold and the amount that must be spent on advertising in order to achieve that maximum.

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A:

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A:

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A: The given function y=4x-8

Q: Number 24 please

A: We will find the total number of books from 1995 to 2005.

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A: We have to find solution for given inequality.

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.