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/sci/ - Science & Math

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6451515 No.6451515[DELETED]  [Reply] [Original]

Massive pleb reporting in,

Tiffany is paid $8.05/h, plus 5% of her sales over $1000, for a 40-h work week. Suppose she sold $1800 worth of merchandise. Then she would earn $8.05(40) + 0.05(800) = 362

how do i write the relation between total pay for a 40-h work week and her sales (in function notation)

>> No.6451520
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6451520

i figured it was f(s)=322+0.05(s) but thats not answer in the back of the book

>> No.6451528

>>6451515
ur face when u contemplate how someone couldnt understand this

yes i know

>> No.6451529

if s>1000
f(s,h)=8.05*h+0.05(s-1000)
if s<1000
f(s,h)=8.05*h

>> No.6451534

>>6451529
it says it's f(s)=272 + 0.05(s)

>> No.6451542

>>6451534

Right, because it's (s-1000)*0.05...

= s*0.05 - 50 + 322 = 272

>> No.6451557
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6451557

>>6451542
thanks man

>> No.6451559

>>6451515

<div class="math">f(s)=\left( \frac{|s-1000|+(s-1000)}{2}*(s-1000)\right )*0.05+8.05*40</div>

>> No.6451593

>>6451559

Hue.

>> No.6451609

>>6451593

<div class="math">f(s)=\left( \frac{2s^2-4s}{40}\right )+25322</div>

>> No.6451610

Test

>> No.6451613

>>6451610
[Spoiler]Test[/Spoiler]