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charle [14.2K]
3 years ago
7

Which of the following best describes the ordered pairs listed below?

Mathematics
1 answer:
Mandarinka [93]3 years ago
7 0

Answer:

D. Relation only.

Step-by-step explanation:

This is a one-to-many relation ( because -2 maps on to -4 and -11)  so it is a relation but NOT a function. A function is a one-one or many-to-one relation.

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PLEASEE HELP ME I DONT KNOW HOW TO DO THIS !!
larisa [96]
G(h(0)) = 20

h(x) = x+4
h(0) = 0+4
h(0) = 4

g(x) = 5x
g(h(0)) = g(4) = 5(4) = 20
8 0
3 years ago
Simplify 12n-2n⁴-10n-2n⁴+n<br><br>a. 4n⁴+3n<br>b. 3n<br>c. -4n⁴+3n<br>d. -n¹¹
Serjik [45]

The answer is C. -4n⁴+3n.


Separate the expression by its like terms.

12n-2n⁴-10n-2n⁴+n

12n+(-10n)+n=3n

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The simplified expression comes out to -4n⁴+3n.

3 0
3 years ago
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Jan has a box of magnets. She finds 21 more magnets. She now has a total of 33 magnets. How many magnets did Jan have to start?
Monica [59]
The answer for this question is 12 magnets. Hope this helps!
3 0
3 years ago
Justin is on a road trip. Over the past two days, he’s driven a total distance of 504 miles at an average speed of 56 miles/hour
irakobra [83]
Recall d  = rt, distance = rate * time.

now, he has a speed rate of 56 mph for a distance of 504

\bf d=rt\implies 504=56t\implies \cfrac{504}{56}=t\implies \stackrel{hours}{9}=t

so, at that speed the whole driving time is 9 hours then.  Ok, he drove 2 hours today, that means he drove 7 yesterday, 9 - 2.

how many miles is it for 7 hours at 56mph?  d = rt ---> d = 56 * 7

that many miles he drove yesterday.
8 0
3 years ago
Jacques needs to convert the function f(x) = x2 − 6x + 14 to vertex form, f(x) = (x − h)2 + k, in order to find the minimum.
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k = 5

the equation of a parabola in vertex form is

y = a(x - h)² + k

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To obtain this form use the method of completing the square

Since the coefficient of the x² term is 1 then

add/ subtract (half the coefficient of the x-term )² to x² - 6x

f(x) = x² + 2(- 3)x + 9 - 9 + 14 = (x - 3)² + 5 → k = 5


   

5 0
3 years ago
Read 2 more answers
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