Question

Over what interval is the quadratic function decreasing?

x ∈ (−∞,−2)
x ∈ (-2,−∞)*******
x ∈ (-2, ∞)
x ∈ (−∞,3)

Answer 1

x ∈ (-2,−∞)

Explanation:

x ∈ (-2,−∞)

this is the answer to the question