Note: Show all the steps of your working and give your reasons clearly. Give a proper conclusion to your answers where applicable. Question 1 Suppose
A={xinR:-2<=x<5}
and
B=(-1,6]
. 1.1 Draw
A
and
B
on two separate number lines. (6) 1.2 Find
A\cup B
and give the answer in interval notation. (7) 1.3 Write
A\cap B
as one set using set builder notation. (4) [17] Question 2 Calculate
5-:(3)/(2)+2-2((-4+9)/(4))
without using a calculator. Write the answer: (a) as an improper fraction (6) (b) as a mixed fraction (1) (c) as a decimal fraction correct to two decimal places. (1) [8]