Answer:
I got B too so I sure could be right answer but if it's not then I so sorry. B. 6
X + 8x = 81
9x = 81, x = 9
y = 8(9), y = 72
Solution: (9, 72)
Answer:
24.
Step-by-step explanation:
With composition of functions (as with the order of operations) we perform what is inside of the parentheses first. So, g(3)=2(3)+2=8 and then f(8)=24.
Answer:
300
Step-by-step explanation: