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
A is one of them i dont know the others
$48.865 per headphone
<u>unit rate</u> : total cost/total items
unit rate:
390.92/8
48.865
Each headphone costs $48.865
Answer:
42 cannot be divided into 926 .. however 926 can be divided by 42 and the answer will be 22.04 rounded of to 22
so your answer is: 22