I don’t understand it :/

- 22.5

Step-by-step explanation:

Substitute x = 3 into f(x) and x = 16 into h(x) , then

g(3) - h(16)

= × - 3(3)² - (2 + 1)

= × - 3(9) - (2(4) + 1)

= × - 27 - (8 + 1)

= - 13.5 - 9

= - 22.5

mk./km: lm

step-by-step explanation:

,mlmlm

; mk

lk

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads