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Rom4ik [11]
3 years ago
7

If a(x)=2x-4 and b(x) =x+2, which of the following expressions produces a quadratic function?

Mathematics
1 answer:
ZanzabumX [31]3 years ago
5 0

Answer:

(ab)(x)

Step-by-step explanation:

The complete question in the attached figure

we have

a(x)=2x-4\\b(x)=x+2

we know that

(ab)(x) is equal to the product of a(x) and b(x)

so

(ab)(x)=(2x-4)(x+2)

Applying distributive property

(ab)(x)=2x(x)+2x(2)-4(x)-4(2)

(ab)(x)=2x^2+4x-4x-8

(ab)(x)=2x^2-8

This is a quadratic equation

The other expressions not produce a quadratic equation

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2 years ago
Your school is planning a field trip to a history museum. They are going to rent a large bus for $450. The cost of the ticket to
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Answer:

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Step-by-step explanation:

To write an equation for the first situation, you need to determine which factors can be changed.  The bus will not change since you can have multiple people in one.  The ticket to the museum is per person.  This will change depending on how many people there are.

450 + 15.75x

For the second equation, you need to find how many people can go for it the cost to be equal to $40 per person.  Set the equation equal to $40 per person and solve.

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3 years ago
Expand and combine like terms.<br><br> (4b^2+3)(4b^2-3)
vaieri [72.5K]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
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Kobotan [32]
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9514 1404 393

Answer:

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Step-by-step explanation:

The relation between area, length, and width is ...

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Then the width is ...

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3 years ago
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