Question 1(a)
f(2) = 3
f(1) not defined
f(0.9) = 10.81
f(a1) = (a1)2 + 1/a.
Question 1(b)
h(0.5) = 0
h(3+2) h(3) = 2 (3) = 5
h(3) h(3) = 3 2.5 = 5.5