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Vitek1552 [10]
1 year ago
10

to go to a movie, a family with 2 adults and 4 children spends 64.00. a family containing 1 adult and 3 children spends 42.00. f

ind the cost of an adult movie ticket and the cost of a child movie ticket
Mathematics
1 answer:
yarga [219]1 year ago
7 0

Answer: The cost of a ticket for an adult is $12 while for children it is $10.

Step-by-step explanation:

Let's assume that cost for adults is A while for children it is C

Now,

2 adults and 4 children spend $64.

2A + 4C = 64

1 adult and 3 children spend $42.

A + 3C = 42

Multiply by 2

2A + 6C = 84

By subtracting equations

6C - 4C = 84 - 64

2C = 20

C = 10

A = 42 - 3(10)

A = 12

Hence "The cost of a ticket for an adult is $12 while for children it is $10".

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Step-by-step explanation:

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The domain of the function is D ∈ R or (-∞, ∞) and the range of the function is R ∈ (591.39, ∞)

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

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f(x) = -4.92x² + 17.96x + 575

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The domain of the function is all real numbers or

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The range:

From the graph of a function:

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So the range of the function:

R ∈ (591.39, ∞)

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