Answer:
y=7* (0.5)^x
Step-by-step explanation:
We are given that when x increases from 'a' to 'a+2' then y must increase by a factor of 1/4=0.25.
i.e. when x=a and x'=a+2.
then y/y=0.25 where y' is the function after putting x' to the old function.
Answer: 6:5
Step-by-step explanation:
If f(1) =5-2(1)
F(2)=5-2(2)
If you round it to the nearest pound it is 1.1 kg
2.5/2.2 = 1.13....
