please solve all the questions briefly

Questions i) Identify the x and y intercepts for the given linear equation. a) ax+ by = t b) 2x 3y = 18 +x c) ((x-3'2y)_ 12 = (Zing) ii) Find the domain for the following functions: a)f(X)=vx2+8x+15 b)f(r):m C)f(t)= m (3t3+5t2+10t) iii) Graph the following linear equations: a) 8x = 20 b) 5y 2 17.5 c) 8x + 5y 2 20 i) For the following function determine the limit (if it exists) by constructing a table of values for 1'06) and examining left-and right-hand limits (where appropriate). . _ 2x2 forx