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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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