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Ivan
3 years ago
6

I have this math problem and it is: an equation in function from that reflects f(x)=3x over the line y=0.

Mathematics
1 answer:
Gnoma [55]3 years ago
4 0

Answer:

g(x) = -3x

Step-by-step explanation:

Given

f(x) = 3x

Required

Reflect over y = 0

This means that we reflect over the x-axis

And the rule of reflection is:

(x,y) \to (x,-y)

Hence:

f(x) = 3x

Will become:

g(x) = -f(x)

So, we have:

g(x) = -3x

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Can somebody please help???
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Step-by-step explanation:

If you are to assume the relationship is proportional then if he makes 10 liters in 2 days you divide 10 by 2 and you get 5. This means he makes 5 liters a day. Then you add 5 to 10 and you get 15 which means you are adding another day(5) So he needs to work an extra day which would give you three dyas total. Hope this helped!

4 0
3 years ago
Which is higher 214.7 or 214.275
Lostsunrise [7]

easy 214.7 because if it was rounded it would be 214.700 an this is way bigger than 214.275

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3 years ago
Walden’s family is shopping for a reclining chair. The chair the family decided on has a retail price of $800 plus 5% sales tax
Marianna [84]

Answer:

B 10% off sale, with a total price to pay of 756

Step-by-step explanation:

Retail price (Rp) = $800

Taxes (T) = 5%

  • Offer A $75 instant rebate

Total price A (TA) = Rp - 75 + (Rp - 75) 5%

TA = 800 - 75 + (800-75) 5%

TA = 725 + 725 5%

725 5% = 725*5/100 = 36.25

TA= 725+36.25 = $761.25

  • Offer B 10% off sale

Total price B (TB) = RP - RP 10% + (RP - RP 10%) 5%

TB = 800 - 800 10% + (800 - 800 10%) 5%

800 10% = 800*10/100 = 80

TB = 800 - 80 + (800 - 80) 5%

TB = 720 + 720 5%

720 5% = 720*5/100 = 36

TB = 720 + 36 = $756

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store pays sales tax means Walden's family will not need pay for taxes

Total price C (TC) = RP - RP 5%

TC = 800 - 800 5%

800 5% = 800*5/100 = 40

TC = 800 - 40 = $760

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Means that Walden's family will need pay just the retail price

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The beast deal is from the store B

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Answer:

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Step-by-step explanation:

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<em>good luck, i hope this helps :)</em>

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