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notka56 [123]
3 years ago
14

What is the domain and range of-2x + 3y= -12​

Mathematics
1 answer:
monitta3 years ago
6 0

Answer:

  "all real numbers"

Step-by-step explanation:

Both the domain and range of any odd-degree polynomial function are "all real numbers." This is a degree 1 function in both x and y, so that description applies.

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Please help!!!<br> Solve for X
Gennadij [26K]

Answer:

x =  -  \frac{1}{56}

Step-by-step explanation:

-x/56x = 2

-1/56 = 2

x = -1/56

3 0
3 years ago
1) Find the inverse of the function below. Use g-1(x) to indicate the inverse 5 points
omeli [17]

Answer:

g-1(x)=SQRT{(x-4)/2} + 4

Step-by-step explanation:

I assume that the 2 is the exponent so ^ represents exponent

We know your function is g(x)=2(x-3)^2+4

For inverse functions we swap x and y values, note g(x) is like the y value

Isolate for y

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

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

(x-4)/2 = (y-3)^2

SQRT{(x-4)/2} + 4 = y

Therefore g-1(x)=SQRT{(x-4)/2} + 4

4 0
3 years ago
Evaluate the expression XY FOR X=8 and Y=4
vovangra [49]

Answer:

32

Step-by-step explanation:

XY means x times y

and x = 8 or x is 8

and y = 4 or y is 4

so 4 times 8 is 32

so

XY = 32

4 0
2 years ago
A rectangle is 10 inches wider than it is long. The perimeter is 48 inches. what is the length and width of the rectangle?
Liula [17]

Answer:

a) x represents length?

b) 10+x=48

d) 38 inches

Step-by-step explanation:

c) 10+x=48

subtract 10 to both sides

x=48-10

x=38

3 0
3 years ago
Let f(x)=3x-7 and g(x)=2x². Perform the function operation and then find the domain of the result.
olya-2409 [2.1K]

Answer: A

Step-by-step explanation:

f(x)=3x-7\\g(x)=2x^2

(f-g)(x)=3x-7-(2x^2)\\(f-g)(x)=3x-7-2x^2\\(f-g)(x)=-2x^2+3x-7

6 0
2 years ago
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