15 Find the domain and range of functions given as equation or graph 1 4 Examples Finding the domain of expressions and equations denominator can t be to zero and no even roots of negative numbers A Find the domain of the expression a x 2 b x 2 C x 5 d x 5 e All real numbers B Find the domain of the expression f x1 x 1 g x 1 h x7 x 5 i x 7 x 5 j All real numbers 2 x 5 x x 1 x 2x35