Mathematics: What is the domain of f(x)? O {xl-4 O {xl-3 x 4} O {x|1 x 4} O {x|2 x 4}

Step-by-step explanation:Given the product of two expressionswe have to find the value of x and yFirst we find the product of Opening the bracketsUsing distributive property, a.(b+c)=a.b+a.cCombining like termswhich is required product....

What is the domain of f(x)? O {xl-4 O {xl-3 x 4}

Ответ:

j015

15.10.2022

Mathematics

$\text{The value of x and y is } x=5, y=29$

Step-by-step explanation:

Given the product of two expressions

$4z^2+7z-8\text{ and }-z+3\text{ is }-4z^3+xz^2+yz-24$

we have to find the value of x and y

First we find the product of

$4z^2+7z-8\text{ and }-z+3$

(4z^2+7z-8)(-z+3)

Opening the brackets

4z^2(-z+3)+7z(-z+3)-8(-z+3)

Using distributive property, a.(b+c)=a.b+a.c

(-4z^3+12z^2)+(-7z^2+21z)+(8z-24)

Combining like terms

-4z^3+(12z^2-7z^2)+(21z+8z)-24

-4z^3+5z^2+29z-24

which is required product.

$\text{Now compare above product with given product }-4z^3+xz^2+yz-24$

x=5, y=29

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What is the domain of f(x)? O {xl-4 O {xl-3 < x < 4}
O {x|1 < x < 4}
O {x|2 < x < 4}

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What is the domain of f(x)? O {xl-4 O {xl-3 < x < 4} O {x|1 < x < 4} O {x|2 < x < 4}

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What is the domain of f(x)? O {xl-4 O {xl-3 < x < 4}
O {x|1 < x < 4}
O {x|2 < x < 4}