a)

c)

d)

g)

h)

b)

e)

f)

fa(x) = (3 * 2^(x))
fb(x) = (3 * x^(2))
fc(x) = (6 * x)
fd(x) = 3 / x
fe(x) = 3 - x^(2)
ff(x) = 3 - (2 * x)
fg(x) = (3 * 0.5^(x))
fh(x) = ((x - 1) * (x + 1))
a = false
c = false
d = false
g = false
h = false
b = false
e = false
f = false