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Umnica [9.8K]
3 years ago
6

Graph y=3x^2 -5 and it's inverse

Mathematics
2 answers:
USPshnik [31]3 years ago
5 0
<span>Graph y=3x^2 -5 and it's inverse.</span>

forsale [732]3 years ago
3 0

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

y=3x^{2}-5 -----> quadratic equation of a vertical parabola open upward

Find the inverse function

Exchange variables x for y and y for x

x=3y^{2}-5

Isolate the variable y

3y^{2}=x+5  -----> inverse function (horizontal parabola open to the right)

or

y=(+/-)\sqrt{\frac{x+5}{3}}

using a graphing tool

see the attached figure


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Factor 4x 2 + 12x + 5 . (2x + 5)(2x + 1)
Juliette [100K]
Factor
in form
ax²+bx+c form
use the ac method
1. mulitply a and c
2. factor the result such that the 2 factors add to b
3. split b into those 2 factors
4. group the terms
5. undistribute common factors
6. undistribute again





first multiply ac
4 times 5=20
now
what 2 numbers multiply to 20 and add to 12
2 and 10
4x²+2x+10x+5
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undistribute the (2x+1)
(2x+1)(2x+5) is factored form whih you have there, nice
8 0
3 years ago
Find the value of x.<br>x 13 39​
Alex

Answer:

13x-39=39

13x=78

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6 0
3 years ago
A 1970 comic book has appreciated 7% per year and originally sold for $0.35. What will the comic book be worth in 2017?
omeli [17]
You tell me if this makes sense to you.

It's 47 years from 1970 to 2017 so you would need to multiply 7% by the 47 years.

So: 0.07x47= 3.29 

Now you should add your new price to your original price: $3.29+$0.35= 3.64

So it should cost $3.64 now. Yes that does seem kind of low but that's how you do it.

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6 0
3 years ago
HELP PLEASE! 15 PTS
defon
The answer is 7/10 because the even values are 2,4,6, and the others are 7,8,9,10. Added together, it adds up to 7/10
4 0
3 years ago
Read 2 more answers
Please help me!!! will mark brainliest if you do
Vesnalui [34]

9514 1404 393

Answer:

  17.  5

  18.  17

Step-by-step explanation:

The distance formula is used for the purpose.

  d = √((x2 -x1)² +(y2 -y1)²)

__

17. d = √((3-6)² +(1-5)²) = √((-3)² +(-4)²) = √(9+16) = √25 = 5

The distance between the points is 5 units.

__

18. d = √((-1-7)² +(12-(-3))²) = √(64 +225) = √289 = 17

The distance between the points is 17 units.

4 0
2 years ago
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