Answer:
2.8
Step-by-step explanation:
If you turn the question around (6.7 - 3.9) the answer is 2.8
Hope this helps~
Answer:
f(-1)=8
Step-by-step explanation:
Just plug in x=-1 into the function:
f(x)=6-2x
y=6-2(-1)
y=6+2
y=8
So f(-1)=8
Answer:
I have no clue but this was two years ago so hopefully you know the answer by now
Step-by-step explanation:
yes
Amy: (3 pages/min)(x min) + 9 pages
Sam: (2 pages/min)(x min) + 47 pages
Equate these: 3x+9 = 2x + 47
Then x = 38. The two friends will have covered the same number of pages after 38 minutes. How many pages would that be? 3(38)+9 = 123 pages.
