# Chapter 10 - Radical Expressions and Equations - 10-5 Graphing Square Root Functions - Practice and Problem-Solving Exercises - Page 642: 12

$x\geq{\frac{13}{4}}$

#### Work Step by Step

$4x-13$ must be greater than or equal to 0 because a negative number does not have a square root. $4x-13\geq0$ Simplify to get $4x\geq13$ Divide 4 from both sides to get: $x\geq{\frac{13}{4}}$

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