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Semenov [28]
3 years ago
12

Which relation is a function?(click all that apply)

Mathematics
1 answer:
iris [78.8K]3 years ago
5 0

Answer:

Step-by-step explanation:

y=2x+1

y=x^2

The other one isn't a function because it won't pass the vertical line test. You can not use the same X in a function.

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Solve for x. -8 - 7x = -5x - 10
Arlecino [84]

Answer:

×=1

Step-by-step explanation:

-7x+5x=-10+8

-2×=-10+8

x=1

5 0
3 years ago
Describe how the product of 0.4 x 2 would look on a ten-square grid.
Gnesinka [82]
<h3>Answer:  8</h3>

Explanation:

Draw out a 10 squares.

Shade in 4 of them to represent 4/10 = 0.40 = 0.4

Then use another color to shade another 4 squares. You should have 4+4 = 8 squares shaded, out of 10 total, giving 8/10 = 0.80 = 0.8

This is one visual way to see how 0.4 x 2 = 0.8

In other words, 0.4 x 2 means we have two copies of 0.4 added together. You could write it as 0.4 x 2 = 0.4 + 0.4 = 0.8 if you wanted.

See the diagram below.

7 0
2 years ago
If f(x)= x2/x+3, find f(x+h)?
kompoz [17]

f(x+h) =  \frac{x^{2}+2xh+h^{2}  }{x+h+3}

Step-by-step explanation:

Given,

f(x) = \frac{x^{2} }{x+3}

To find the value of f(x+h) we need to replace x by x+h

Hence,

f(x+h) = \frac{(x+h)^{2} }{x+h+3}

= \frac{x^{2}+2xh+h^{2}  }{x+h+3}

[Here, we apply the formula of (a+b)^{2}= a^{2} +2ab+ b^{2}]

6 0
4 years ago
-5,3,-2,1,-1,0 what is next number
nlexa [21]

Answer:

-5

Step-by-step explanation:

3 0
4 years ago
What's three different ways to write a negative 1/2
Irina-Kira [14]
- 0.5

\frac{-1}{2}

\frac{1}{-2}

Hope this helps
7 0
3 years ago
Read 2 more answers
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