Answer:
Since (f · g) (x) = f(x) · g(x), we need to find f(x) and g(x) first.
f(x) = x - 5
g(x) = 3x^2 - 1
Therefore, (f · g) (x) = f(x) · g(x) = (x - 5) · (3x^2 - 1)
Expanding this product, we get:
(f · g) (x) = 3x^3 - 15x^2 - x + 5
Therefore, (f · g) (x) = 3x^3 - 15x^2 - x + 5.