Answer:
17.5
105÷3 is 35
37÷2 is 17.5
70
Step-by-step explanation:
Chem : Phy = 3: 2
Since we have 105 pupils studying Chem and let's say we have x students stuyding Phy.
We have :
x=70
neither.
(-3, 4)
sorry but no
i really hope you find someone
100000
f-1 (x) = 2x + 2
f(x) = x/2 -1
y = x/2 -1
interchanging the position of x and y
x= (y-2)/2
2x =y - 2
y = 2x + 2
f^-1 (x) = 2x + 2
