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3 years ago

A. a relation only

Mathematics

2 answers:

PilotLPTM [1.2K]3 years ago

8 0

Answer: B. Both a relation and a function

Step-by-step explanation:

By definition, a relation is a function if and only if each input value has one and only one output value.

For example if an input value $x$ has assigned two or more output values $y_1$ and $y_2$ , then the relation is not a function.

You can observe in the image attached that each element in the Domain has assigned one element in the Range. Therefore, you can conclude that it is a relation and a function.

Dafna11 [192]3 years ago

3 0

Answer:

Neither a relation or a function

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Their earnings would be the same after 4 hours

Let the number of hours be x, and the weekly earning be y

So, the given parameters are:

Kimi

Earnings = $9 per hour
Weekly allowance = $8

So, the equation for Kimi's weekly earning is:

$y =9x + 8$

Jordan

Earnings = $7 per hour
Weekly allowance = $16

So, the equation for Jordan's weekly earning is:

$y = 7x + 16$

Equate both equations

$7x + 16 = 9x + 8$

Collect like terms

$9x - 7x = 16 - 8$

$2x =8$

Divide both sides by 2

$x =4$

Hence, their earnings would be the same after 4 hours

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if you buy 3.18 lb of grapes for $0.99 per pound and 1.25 lb of peaches for $1.09 per pound and 2.75 pounds of pears for $1 and

Flura [38]

Answer:

$7.78

Step-by-step explanation:

3.18 lb (grapes) x $0.99 = $3.15 (Real answer: 3.1482. Rounded to the nearest cent)

1.25 lb (peaches) x $1.09 = $1.36 (Real answer: 1.3625. Rounded to the nearest cent)

2.75 lb (pears) x $1.19 = $3.27 (Real answer: 3.2725. Rounded to the nearest cent)

$3.15 (grapes total) + $1.36 (peaches total) + $3.27 (pears total) = $7.78 (total bill)

Final Answer:

$7.78

Hopefully this helps! Sorry if wrong. You are loved and you are beautiful/handsome!

-Bee

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