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Allushta [10]
3 years ago
10

Please help me find DOMAIN/RANGE and the EQATION

Mathematics
1 answer:
kaheart [24]3 years ago
4 0

Answer:

domain:

( -  \infty , \infty )

range:

( -  \infty ,4]

equation:

y =  - 2(x - 3) {}^{2}  + 4

Step-by-step explanation:

domain is all X values and the X values will extent till infinity in both negative and positive direction, the range is all y values and the y value will go from negative infinity all the way to 4, where the graph stops.

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sveta [45]
Assuming CDB is a straight line then angle ADB = 180-82=98
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3 years ago
2x+2y=16 , 6x+4y=38 what is the value of x
ra1l [238]
1st equation—x, substitute y: 
<span>3x + 2(x + 3) = 16 </span>
<span>3x + 2x + 6 = 16 </span>
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5 0
3 years ago
(-3/2)x - 9 = - 27 solve for x
aleksklad [387]

Answer:

x = 12

Step-by-step explanation:

Solve for x:

(-3 x)/2 - 9 = -27

Put each term in (-3 x)/2 - 9 over the common denominator 2: (-3 x)/2 - 9 = (-18)/2 - (3 x)/2:

(-18)/2 - (3 x)/2 = -27

(-18)/2 - (3 x)/2 = (-3 x - 18)/2:

(-3 x - 18)/2 = -27

Multiply both sides of (-3 x - 18)/2 = -27 by 2:

(2 (-3 x - 18))/2 = -27×2

(2 (-3 x - 18))/2 = 2/2×(-3 x - 18) = -3 x - 18:

-3 x - 18 = -27×2

2 (-27) = -54:

-3 x - 18 = -54

Add 18 to both sides:

(18 - 18) - 3 x = 18 - 54

18 - 18 = 0:

-3 x = 18 - 54

18 - 54 = -36:

-3 x = -36

Divide both sides of -3 x = -36 by -3:

(-3 x)/(-3) = (-36)/(-3)

(-3)/(-3) = 1:

x = (-36)/(-3)

The gcd of -36 and -3 is -3, so (-36)/(-3) = (-3×12)/(-3×1) = (-3)/(-3)×12 = 12:

Answer:  x = 12

3 0
3 years ago
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Mila [183]

Answer:

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Step-by-step explanation:

hope this helped

6 0
3 years ago
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andrezito [222]

Answer:

no comprehendo

Step-by-step explanation:

8 0
3 years ago
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