Does this graph show a function? explain how you know.

Mathematics

2 answers:

mina [271]3 years ago

7 0

ANSWER

Yes,the graph passes the vertical line test.

EXPLANATION

The graph above shows a function because if we draw a vertical line across the graph anywhere, it will never intersect the graph more than once.

This is what we call the vertical line test.

Since the graph of the function passes the vertical line test, the graph shows a function.

See graph

Therefore the correct answer is option C.

malfutka [58]3 years ago

5 0

The answer to this question is yes, the graph passes the vertical line test. A relation is a function when all the domain elements map to exactly one range element.

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Two friends are collecting cards. Frank has 7 more than half the number of cards as his friend. Together they have 42 cards. How

Naddika [18.5K]

Answer:

The number of cards Frank has is 18 and the number of cards his friend has is 24.

Step-by-step explanation:

The correct question is

Two friends are collecting cards. Frank has 6 more than half the number of cards as his friend. Together they have 42 cards. How many cards does each friend have?

Let

x ----> the number of cards that Frank has

y ----> the number of cards that his friend has

we know that

Together they have 42 cards

$x+y=42$ ----> equation A