Calculus for Business Economics Life Sciences and Social Sciences Plus NEW

13th Edition

ISBN: 9780321925138

Author: Raymond Barnett

Publisher: PEARSON

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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.

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Textbook Question

Chapter DPT, Problem 46E

In Problems 45–50, solve for x.

46. 3 x 2 − 21 = 0

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Chapter DPT, Problem 45E

Chapter DPT, Problem 47E

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Chapter DPT Solutions

Calculus for Business Economics Life Sciences and Social Sciences Plus NEW

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In Problems 45–50, solve for x. 46. 3 x 2 − 21 = 0

Solution Summary: The author calculates the value of x by solving the equation 3x2-21=0.

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