Consider the expression x - 2/x + 1?

Question

a) for what values of x ∈ R is the expression defined?

b) for what values of x ∈ R is the expression = 0?

c) for what values of x ∈ R is the expression > 0?

d) for what values of x ∈ R is the expression < 0?

e) give a sign chart for the expression.

Answer 1

a) x not = -1
b) x = 2
c) x > 2
d) x<2
e) See c) and d)