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Vesnalui [34]
3 years ago
12

Decide whether the relation defines a function.

Mathematics
2 answers:
Volgvan3 years ago
8 0

Answer:

A. Function

Step-by-step explanation:

A function is a relation between sets that associates to every element of a first set exactly one element of the second set. .

Harlamova29_29 [7]3 years ago
7 0
A.Function, because there is different inputs and you cannot produce two or more different outputs given the same input.
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How do I do this ?????
AleksAgata [21]

Answer:

y=3

Step-by-step explanation:

it says that y is the inverse of x so if x=3 and y=8, so if x=8 than y must equal 3

3 0
3 years ago
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Solve the system 2x-2y=10 4x-5y=17
stiv31 [10]
Multiply 2x-2y=10 by 2,
4x-4y=20,
given:4x-5y=17
y=3
pluck it in
2x-6=10
move the 6 to the right
2x=16
divide
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8 0
3 years ago
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A trailer will be used to transport several 40-pound crates to a store. The greatest amount of weight that can be loaded into th
docker41 [41]

Given :

A trailer will be used to transport several 40-pound crates to a store.

The greatest amount of weight that can be loaded into the trailer is 1,050 pounds.

An 82-pound crate has already been loaded onto the trailer.

To Find :

The greatest number of 40-pound crates that can be loaded onto the trailer.

Solution :

Weight left = 1050 - 80 = 970 pound.

Let, number of 40 pounds crates that can be loaded are x.

x  = \dfrac{970}{40}\\\\x = 24.25

Since, crate cannot be in fraction, so maximum crate that can be loaded is 24.

Hence, this is the required solution.

7 0
2 years ago
Write all ratios in is There are three children in the Skosana family. Each week the eldest earns R270, the middle child earns R
geniusboy [140]

From the amounts that are given, the ratio of the earnings will be 3:2:1.

<h3>How to calculate ratio</h3>

From the information, the eldest earns R270, the middle child earns R180 and the youngest earns R90.

Therefore, the common factor to the numbers will be 90. Therefore, the ratio will be:

270/90 = 3

180/90 = 2

90/90 = 1

The ratio is 3:2:1.

Learn more about ratio on:

brainly.com/question/2328454

4 0
2 years ago
Can someone help with this challenging graph ​
-BARSIC- [3]

Answer:

(a) (-∞, -8) (-6, -4) (-2, ∞)

(b) -6, -2

(c) negative

(d) 5

Step-by-step explanation:

(a)  A function is "decreasing" when the y-value decreases as the x-value increases.

⇒ the function is decreasing over these intervals : (-∞, -8) (-6, -4) (-2, ∞)

(b) Local maxima are the points on the function where it reaches a maximum.

⇒ maxima at x = -6 and x = -2

(c) negative

(d) 5

5 0
2 years ago
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