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4 years ago

6

Select either relation (if the set is a relation but not a function), function (if the set is both a relation and a functions, o

r
neither (if the set is not a relation).
F=[lxy) x+y=10)

1 answer:

tresset_1 [31]4 years ago

8 0

Answer:

I believe the answer is function

Step-by-step explanation:

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Write a linear function f with f(0)=7 and f(3)=1.

choli [55]

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a = ( 0 , 7 ) & b = ( 3 , 1 )

First need to find the slope using the following equation :

$slope = \frac{y(b) - y(a)}{x(b) - x(a)} \\$

$slope = \frac{1 - 7}{3 - 0} \\$

$slope = \frac{ - 6}{3} \\$

$slope = - 2$

_________________________________

We have following equation to find the point-slope form of the linear functions using the slope and one of the through points .

$y - y(0) = m \times ( \: x - x(0) \: )$

$x(0) = x - coordinate \: \: of \: \: through \: \: point \\$

$y(0) = y - coordinate \: \: of \: \: through \: \: point \\$

$m = slope$

I choose point (( a )) to put in the equation.

$y - 7 = - 2 \times (x - 0)$

$y - 7 = - 2x + 0$

$y - 7 = - 2x$

Add sides 7

$y - 7 + 7 = - 2x + 7$

$y = - 2x + 7$

This the slope-intercept form .

Done...

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3 years ago

15) Billy charges $15 to mow a yard. He needs at least $200 for the new bicycle that he wants. Write and solve an inequality to

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15x >= 200
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does this help?

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4 years ago

Solving a system of linear equations algebraically:

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It was so easy xD

its x=1

y=12×1+7

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3 years ago

What’s the correct answer for this?

Burka [1]

Answer:

AP = 10

Step-by-step explanation:

According to secant-secant theorem

(PB)(AP)=(PD)(PC)

6(AP) = (5)(12)

AP = 60/6

AP = 10

8 0

3 years ago

Read 2 more answers

System of equations by substitution<br> how do this?<br> y= x+2<br> y= -4x+7

jekas [21]

Equations are given,
y= x+2
<span>
y= -4x+7

As you can see both the expressions, x+2 and -4x+7 are equal to "y". That means they are equal to each other too.

So let's equal them and solve it.

</span> $x+2=-4x+7\\ \\ x+2+4x=7\\ \\ x+4x+2=7\\ \\ 5x+2=7\\ \\ 5x=7-2\\ \\ 5x=5\\ \\ x=\frac { 5 }{ 5 } \\ \\ x=1$
<span>
Now we have x's value we will plug it in the first equation to find "y".

</span> $x=1\\ \\ y=x+2\\ \\ y=1+2\\ \\ y=3$
<span>
(1,3)</span>

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3 years ago