(1)
If f(x) = x2 + 2, g(x) = 2x + 3 and fg(x) = gf(x). Find the value of x.

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

3382-299=3383- ? fill in the blank?

Which one ? is the answer and how to find this answer