# Chapter 6 Rational Exponents and Radical Functions - 6.3 Perform Function Operations and Composition - 6.3 Exercises - Skill Practice - Page 432: 9

See below.

#### Work Step by Step

$f(x)-f(x)=-3x^{1/3}+4x^{1/2}+3x^{1/3}-4x^{1/2}=0$ The function is undefined for negative numbers, so the domain is the non-negative real numbers.

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