Question

Select the correct answer.

Consider functions f and g.
Which expression is equal to ?

A.

B.

C.

D.

Answer 1

See photo

Explanation:

Plato/Edmentum

Answer 2

C

Explanation:

f(x) • g(x)

=
`√(x^2+12x+36)` × (x³ - 12)

=
`√((x+6)^2)` × (x³ - 12)

= (x + 6)(x³ - 12)

= x(x³ - 12) + 6(x³ - 12) ← distribute parenthesis

=
`x^(4)` - 12x + 6x³ - 72

=
`x^(4)` + 6x³ - 12x - 72