Question

f(x) =X3+7x2+19x+21;g(x) =x+3​

Answer 1

Answer:

-49 this can be wrong as you have not mentioned it whether it is an exponent

Step-by-step explanation:

x+3=0

x=-3

now,

if that is x power 3

=-3^3+7*2+19(-3)+21

=-27+14-57+21

=35-84

=-49