3 years ago

PLSS HELP I NEED IT RN

Mathematics

2 answers:

Kisachek [45]3 years ago

7 0

Answer:

x >= -3

x is greater than or equal to -3

Step-by-step explanation:

kvasek [131]3 years ago

7 0

Answer:

it going be -3

Step-by-step explanation:

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If g(x) = x+1/x-2 and h(x) = 4-x, what is the value of (g•h)(-3)?

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How do you solve it?

MatroZZZ [7]

Answer:

i: x=-2, x=1

ii: x=-1/2

Step-by-step explanation:

Quadratic form:

You solve i by using FOIL (First, Outside, Inside, Last) because it is a multiplication problem.

$(x+2)(x-1)=0$

"first" would be $x*x$ , which would equal $x^{2}$

"outside" would be $x*-1$ , which would equal $-1x, or -x$

"inside" would be $2*x$ , which would equal $2x$

"last" would be $2*-1$ , which would equal $-2$

Now you need to combine the terms so that they are one after the other

$x^{2}-x$ $+2x-2$

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$x^{2} +x-2$

i Solution

You need to get the variable by itself.

Subtract two from both sides

$x+2=0\\x=-2$

Add one to both sides.

$x-1=0\\x=1$

ii Solution

Add all the terms.

$x+2+x-1=0\\2x+1=0\\2x=-1\\x=-\frac{1}{2}$

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