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iogann1982 [59]
3 years ago
15

X2 + y2 = 4 determine if the relation is a function

Mathematics
1 answer:
Mama L [17]3 years ago
4 0

Answer:

It is not a function.

Step-by-step explanation:

x^2 + y^2 = 4.

Let x = 1:

(1)^2 + y^2 = 4

y^2 = 4 - 1 = 3

So y = √3, -√3.

So we see that for one value of x we get 2 values of y.

So the relation is a one-to-many relation which is not a function.

Functions are either one-to-one or many to-one.

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zhuklara [117]
-18 maybe not to sure
4 0
1 year ago
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Given f (g (x)) = x + 4 and f (x) = 3x + 5, find g (x).​
JulijaS [17]

Answer:

g(x) = \frac{1}{3}(x - 1) = \frac{x}{3} - \frac{1}{3}

Step-by-step explanation:

f(x) = 3x + 5

f[g(x)] = 3[g(x)] + 5

⇒  3[g(x)] + 5 = x + 4

⇒  3[g(x)] = x + 4 - 5

⇒  3[g(x)] = x - 1

⇒  g(x) = \frac{1}{3}(x - 1) = \frac{x}{3} - \frac{1}{3}

5 0
2 years ago
What is the slope intercept form of the equation of the line
Vlad [161]
The answer is C, your b in the equation is 4, and your slope is 1/2. Starting from four, you move up one and right two which means the slope is 1/2.
6 0
3 years ago
Ху
Galina-37 [17]

Answer:

a

Step-by-step explanation:

-2 over 3 is it cuz -4 over 6 simplifies to that and all the others do too

8 0
2 years ago
When plotted on a grid, the paths between four neighborhood houses form the shape of a kite as shown.
KatRina [158]

Answer:

The area of the figure is 1,000 square feet

Step-by-step explanation:

we know that

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where

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we have

BD=50\ ft\\AC=40\ ft

substitute

A=\frac{1}{2}[40*50]=1,000\ ft^2

3 0
3 years ago
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