Answer:
7n^2
Step-by-step explanation:
Multiply 8/n by 7n/7n to get 56n/7n^2
139.36
Can be rounded to 139 or 139.4 hope this helps
Answer:
if f(x) = ax + b then f-1(x) = (x - b)/a
Step-by-step explanation:
Now
f(x)=ax + b
then y = ax + b
interchanging x and y , we get
or, x = ay + b
or, x - b = ay
or, (x - b)/a = y
therefore,f-1(x) = (x - b)/a
Answer:
10%
Step-by-step explanation:
First find the difference in the 2 prices
44-40=4
Divide the original price by the difference
difference/original
4/40=0.1
0.1*100=10
Hope this helped!
