Question

3. f(x) = x + 3x4 – x3 - 3x2 + 5x + 15, g(x) = x + 3
​

Answer 1

f. (x) = x + 3x4 – x3 - 3x2 + 5x + 15

=x=x+12-3x-6+5x+15

=x-x+3x+5x=12-6+15

=9x=21

=x=21

g. (x) = x + 3

=x-x=3

=x=3