Answer:
A
Step-by-step explanation:
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Hey!
To solve this problem, we'll first start by creating an equation.
<em>Our Created Equation :
</em>

Now we'll solve it step by step to find the answer.
So we should begin by multiplying the to portion of our fraction.
<em>400 x 60 = 24,000</em>
Next, we divide our answer by 100, since that is the next step to our equation.
<em>24,000 ÷ 100 = 240</em>
So, our answer is...
<em>Paul has already saved</em>
$240.00 <em>of the $400.00 he must pay for a new bike.</em>
Hope this helps!
- Lindsey Frazier ♥
..........................I'm just trying
Answer: 76.8km/hr
Explanation:
PT1
sp1 - 30km/hr
d1 - 60km
60 divided by 30 = 2hrs
PT2
sp2 - 160km/hr
d2 - 180km
180 divided by 30 = 1hr, 7min, 30sec (1.125)
PT3
Total Time Taken - 2hrs + <em>(1:07:30)</em> 1.125 = 3.125hrs
Avg. Speed - (60km + 180km) divided by 3.125hrs
60km + 180km = 240
240km divided by 3.125 = 76.8km/hr
<h3>Answer: Choice A</h3>
Domain: 
Range: 
==============================================================
Explanation:
I'm assuming the function is
which is an exponential function.
The domain of any exponential function is the set of real numbers. In interval notation, the domain is
which says we can pick any number between negative infinity and positive infinity: aka any number we want. There are no restrictions to worry about such as division by zero errors.
The range of this exponential function is the set of y values such that y > 0. It often helps to see the graph of what is going on (see below). Note how as x heads to the left, and gets more negative, the curve approaches the x axis. It never actually touches it however. So it will never reach y = 0 itself but instead just get very close. The inequality y > 0 translates to the interval notation 
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Summary:
Domain:
; Range: 
So that's why the answer is choice A