Practice problems assess your knowledge of function operations and related terms. Quiz & Worksheet Goals In these assessments, you'll be tested on your ability to:Adaptive Practice. Master concepts through Adaptive Practice. Study Guides. Use study guides to quickly review concepts. Schools. Find schools & districts near you on ... the simplified function, there is in the original. f(x) = x ± 7 g(x) = x + 7 62/87,21 D = ( í , ) for all of the functions except , for which . f(x) = g(x) = x3 + x 62/87,21 for all functions. Even though there appears to be no restriction in the simplified function ( f g)(x), there is in the original. f(x) = g(x) = 62/87,21 for all of these ...