If A = {1, 2, 3, 4} and B = {4, 5, 6}, find A ∪ B.

Mathematics

1 answer:

kiruha [24]2 years ago

5 0

Answer:

{ 1,2,3,4,5,6}

Step-by-step explanation:

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Step-by-step explanation:

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An electric company charges an initial monthly fee for service and a fixed rate per kilowatt-hours (kWh) used. This table shows

Vlada [557]

Here we are required to determine the initial monthly fee charged by the electric company.

The initial fee charged by the electric company is; C = $10

To solve this, we need to evaluate the slope and intercepts of the equation of the straight line graph of the relation.

y = mx + c.

where m = slope of the relation.

and c = intercept = the initial fee charged by the electric company.

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x = Usage

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m = (y2 - y1)/(X2 - x1)

m = (28 -22)/(150 - 100)

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By substituting m into the equation y = mx + c, alongside a pair of values of usage and monthly charge, we can obtain the intercept, c (i.e the initial fee charged).

Therefore, m = 0.12 , y = 82 and X = 600;

we then have;