Answer:
4x² + 18
Step-by-step explanation:
note that (c ○ d )(x) = c(d(x))
To evaluate substitute x = d(x) into c(x), that is
c(d(x))
= c(x² + 5)
= 4(x² + 5) - 2
= 4x² + 20 - 2
= 4x² + 18
Step-by-step explanation:
- will be cancel
then
815/35= 23.28
Answer:
x = 3
Step-by-step explanation:
=> 4x-5x+9=5x-9
=> -x-5x = -9-9
=> -6x = -18
=> x = 18/6
=> x = 3
1 is ur answer Step-by-step explanation:
Answer:
1 hour and 45 minutes
Hope this helped, have a nice day! :)