Unit 3 Review For #1-6, simplify the fraction. 6x+18 2-9 2x2 +2x x +4r x2-2r-15 -6x + 5 x-1+ 0x11x-6 5)75 16 16 5 25 25 50 For #7-10, multiply divide the fractions. Express your answers in simplest form. 4+4 -4x+4 x'+2x x-2 r-x-2 x x +2r-3 x -3x-10 4-5+5x+6 For #1 1-14, add/subtract the fractions. Express your answers in simplest form. 11) 7+3-2 x+2 +2 x+2 13)--1628x 4+3 For #15-18,solve for x. x+1 3 x 16.) x+2 + 1 =x+3 15.) 7.)+2 For # 19-21, given the function, indicated the domain. 19.) f(x)-Vr+5 For #22 and 23, given the function, evaluate it. 22.) f(x)-Vx-5, f(-3)= 18)+3-X*0 x-2 x-2 x-2 x 2x 20) )3-22)x)-r-2 23) f(x).J2x-15, f(3) =