ECON1101 2022FallAssignment 6Deadline: Dec 2 2021, 23:591. Determine whether the following limits are +∞,−∞or 0.(Write the answers only, no calculation needed.)(a)limx→+∞x2+3x−616x−2(1 mark)(b)limx→−∞x2+3x−616x−2(1 mark)(c)limx→+∞16x−2x2+3x−6(1 mark)(d)limx→−∞16x−2x2+3x−6(1 mark)(e)limx→+∞109(9x+4)x2+x−6(1 mark)(f)limx→−∞x4x+1(1 mark)(g)limx→−∞x5x+1(1 mark)For the following questions, show your steps clearly.2. Find limx→73x2−1x+ 9(2 marks)3. Find limx→3x5−73x3−2x+2(2 marks)4. Find limh→0(h−4)3+64h(4 marks)5. Find limx→−3x4−81x+3(4 marks)6. Suppose limx→−7f