Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 10 - Section 10.9 - Systems of Inequalities - 10.9 Exercises - Page 764: 40

Answer

See graph below.

Work Step by Step

The question asks to graph the solution set of the system of inequalities. Here are some criteria for graphing inequalities: 1. If it is $\lt$ or $\gt$, then the graph must be dashed. 2. If it is $\leq$ or $ \geq$, then the graph must be solid. 3. If it is $\lt$ or $\leq$ (with y being isolated), then the shading is below, left, or inside the graph. 4. If it is $\gt$ or $\geq$ (with y being isolated), then the shading is above, right, or outside the graph. Given: 1. $y \geq x^2$ 2. $y \leq 4$ 3. $x \geq 0$ Graph $y = x^2$ and $y = 4$ with a solid line, but with a domain restriction of $x \geq 0$ Equation 1 is $\geq$, so the shading will be above the graph. Equation 2 is $\leq$, so the shading will be below the graph The solution set is where the black and green areas overlap. See graph below. This solution set is bounded.
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