Find the domain of {{MATH_27}}. {{MATH_28}} {{CMD_29}} Find a formula for {{MATH_30}}. {{CMD_31}} Note: if {{MATH_32}}, then {{MATH_33}} {{CMD_34}} {{MATH_35}} {{CMD_36}} {{CMD_37}} {{CMD_38}} Evaluate (either write a number or ``DNE''): {{MATH_39}} {{CMD_40}} {{CMD_41}} Evaluate (either write a number or ``DNE''): {{MATH_42}} {{CMD_43}} {{CMD_44}} Evaluate {{MATH_45}}.