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Varvara68 [4.7K]

2 years ago

8

Tell whether the relation is a function explain your reasoning (Brainliest to the correct answer) is it one-to-one? Does it lass

the vertical line test?

1 answer:

Vera_Pavlovna [14]2 years ago

4 0

Not a function. X=10 has 2 pairs which makes it not a function. It does not pass the vertical line test because the line would go thru it 3 times.

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X2 +2x -15 factories using the ac method

jeka57 [31]

Answer:

Step-by-step explanation:

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2 years ago

What value should replace the "?" to make the equations parallel?

Otrada [13]

The same slope would make the equations parallel. Therefore 5/3 would make them parallel.

8 0

3 years ago

Solve the equation for x:<br> -3(x + 4) + 5x = 24

mr_godi [17]

<h2>Answer:</h2>

$-3(x + 4) + 5x = 24\\\\-3x - 12 + 5x = 24\\\\2x - 12 = 24\\\\2x = 36\\\\x = 18$

The solution for x in this equation is <em>18</em>.<em> </em>

6 0

2 years ago

Read 2 more answers

Eli and Karl each throw a basketball straight up in the air at the same time. Eli is standing on a deck and the height of his ba

tino4ka555 [31]

We are to find the time at which the height of basketball thrown by Eli and Karl is equal. We have the functions which model the heights of both basketballs. So by equating the functions representing the height of both basketballs we can find the value of x from that equation at which the height is same for both basketballs.

$-4.9 x^{2} +12x+2.5=-4.9 x^{2} +14x \\ \\ 
12x+2.5=14x \\ \\ 
2.5=2x \\ \\ 
x=1.25$

Thus after 1.25 seconds the height of basketballs thrown by Eli and Karl will be at the same height. This can be verified by finding the heights of both at x=1.25

For Eli:
$Height=f(1.25)=-4.9 (1.25)^{2}+12(1.25)+2.5=9.84375$

For Karl:
$Height=f(1.25)=-4.9 (1.25)^{2}+14(1.25)=9.84375$

Thus height of both basketball is equal after 1.25 seconds

5 0

3 years ago

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Corlos bought a book for $9 . now he would like to buy 4 other books for the same price .how much will he have to pay in all for

Rashid [163]

I'd do 9x4=36 because the 9 is from your money and the 4 is from your books. Now since you want to find out how much 4 books cost you just multiply that by 9

5 0

3 years ago