The answer is -28
(sorry if i get this wrong)
A) f(x) is decreasing because the base is less than 1.
0.56 is close to 0.5, so its like saying that you are taking half each time, therefore the value is getting smaller.
g(x) is increasing because the base is greater than 1.
you are multiplying by 4 each time, making the value bigger.
B ) The y-intercept is where x=0.
Anything to the '0' power is 1. Therefore the y-intercept is equal to the coefficient in front of each function.
f(x) = 3 , g(x) = 6
C) Just plug in x=4 to each function in a calculator.
f(4) = 0.295
g(4) = 1536
The answer to this question is 1:5
Today 30 pounds would get you $36.57 dollars
3:8 can also be written as 3/8
<span>12:32 can also be written as 12/32
</span>

<span>So thus 3:8 is equivalent to 12:32</span>