Please help me math guy thanks

Mathematics

1 answer:

geniusboy [140]3 years ago

7 0

Answer:

$1013.42

Step-by-step explanation:

This one would be similar to the previous.

Initial investment, P = 800

Annual Interest rate, r = 12%

Number of compouding in a year, n = 4

Time Period, t = 2 years

Using formula:

Future value,

A = P(1+r/n)^(nt)

= 800 (1+0.12/4)^(4*2)

= 800 (1.03)^(8)

= 1013.42 (to the nearest cent)

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Alenkasestr [34]

Answer:

Domain: {-4, -2, 1, 2, 4}

Range: {-4, -2, -1, 1, 4}

The relation is a function.

Step-by-step explanation:

A relation is any set of ordered pairs, which can be thought of as (input, output).

A function is a relation in which no two ordered pairs have the same first component and different second components.

Remember that a function can only take on one output for each input. We cannot plug in a value and get out two values.

The Vertical Line Test allows us to know whether or not a graph is actually a function. If a vertical line intersects the graph in all places at exactly one point, then the relation is a function.

I did the Vertical Line Test on your given graph. As you can see from the attached screenshot, each vertical line crosses the graph only once. Therefore, the given relation is a function.

The domain of the given relation is the set of x-values, while the range is the set of y-values. You'll have to list the ordered pairs in order to determine the domain and range of the given relation.

Relation: {(-4, -1), (-2, 1), (1, -2), (2, 4), (4, -4)}.

Domain: {-4, -2, 1, 2, 4}

Range: {-4, -2, -1, 1, 4}

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