i need help with all three please please

S SecureVideo - Session - Beth | x VA MTH 110 Exam #1 - Chapters 2 x -> C webassign.net/web/Student/Assignment-Responses/last?dep=27672353 4. [-/2 Points] DETAILS TANAPMATH7 2.R.008. MY NOTES Find the slope and y-intercept of the line with equation 3x - 7y = 2. slope y-intercept 5. [-/2 Points] DETAILS TANAPMATH7 2.R.015. MY NOTES Find the domain of the function. (Enter your answer using interval notation.) (a) ((x ) = V1 -x x + 5 ( b ) ( ( x ) = - x2+ 8x + 4 Vx2 + 1 MY NOTES AS 6. [-/4 Points] DETAILS TANAPMATH7 2.R.016. Let f be the function defined by f(x) = 2x2 + 8x - 2. Find the following. (a ) f( -4 )