3 years ago

Which of the following sets represents the domain of the function shown?

1 answer:

6 0

The domain of the function is the x-values and the range is y - values.
The function is { ( 2, 7 ) , ( 15, 13 ), ( 21, - 4 ), ( 24, 18 ) }
The domain is:
C ) { 2, 15, 21, 24 }
( the range is D ) )

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Please help :) I’m really in need of assistance and would appreciate it.

BaLLatris [955]

Answer:

$D) 0.5x^3y + 4x^2 y^2 - 2xy^3$

Step-by-step explanation:

Set up an equation to model the situation,

$(-0.5xy)(x^2 + 8xy - 4y^2)$

Distribute, multiply each term in the parenthesis with the term outside of the parenthesis. Don't forget the laws of exponents, when one multiplies two exponents, with the same base, then one adds the two exponents. A number with no exponential term is two the first degree meaning that it is to the power of one.

$-0.5x^3 y - 4x^2 y^2 + 2xy^3$