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iamabeast51
08.10.2019 •
Mathematics
veronica works each day and earns more money per hour the longer she works. write a function to represent a starting pay of $20 with an increase each hour by 5%. determine the range of the amount veronica makes each hour if she can only work a total of 8 hours.
20 ≤ x ≤ 28.14
20 ≤ x ≤ 29.55
20 ≤ x ≤ 26.80
20 ≤ x ≤ 25.53
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Ответ:
The range of the amount Veronica makes each hour if she can only work a total of 8 hours is 20 ≤ x ≤ 29.55
Solution:
Let us assume that Veronica worked x hours
The starting pay is![\$20](/tpl/images/0300/7591/fb62f.png)
Each hour increase is![5\%](/tpl/images/0300/7591/21df2.png)
So the function is![f(x)=20(1.05)^{x}](/tpl/images/0300/7591/f9fce.png)
Now if she works 8 hours, she will earn,![= 20(1.05)^8](/tpl/images/0300/7591/e182f.png)
So, the range will be 20 ≤ x ≤ 29.55
Ответ:
$9.85 per pound
Step-by-step explanation:
11.82/1.2 = 9.85