9,000. It decreased by 50% (25%+25%) over three years, which in this case won't matter, because of the question. If 4,500 is 50% of <em /><em>x</em> then just multiply 4,500 by two.
Assume that y its Jonah's cash and its initially 3000
y=300
But he spends 25/week. Assume that x is number of weeks.
y=300-25*x - its our function
If we want to find Jonahs cash after 9 week we have to substitute x=9, so
y=300-25*9
y=300-225
y=75$ - its the result
1/8 * 16
= 16/8
= 2
1/8 of 16 is 2 :)
If you would like to know the simplified expression for 2 * (x - 5), you can find this using the following steps:
2 * (x - 5) = 2 * x - 2 * 5 = 2 * x - 10
The correct result would be <span>2 * x - 10.</span>
<h2>
Hello!</h2>
The answer is:

<h2>
Why?</h2>
To composite functions, we need to evaluate functions in another function(s), for example:
Given f(x) and g(x), if we want to calculate f(x) composite g(x), we need to evaluate g(x) into f(x).
So, we are given the functions:

And we are asked to calculate g(x) composite f(x), and then evaluate "x" to 0, so, calculating we have:

Now that we have the composite function, we need to evaluate "x" equal to 0, so:

Hence, we have that:

Have a nice day!