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3 years ago

9

Does this table represent a function?

1 answer:

Fed [463]3 years ago

5 0

It d because one x-value correspond two different y-values

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Write an expression for the area of the rectangle

OlgaM077 [116]

L*w or length time width

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4 years ago

Two-fifths of a number is -12

notsponge [240]

X=-39 answer

2/5x=-12
2x=-12(5)
2x=-60
X=-30

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3 years ago

The fraction 5/8<br> produces a repeating decimal.<br> ___<br> 0.625<br><br> True or False

Rama09 [41]

Answer:

False i just did it

Step-by-step explanation:

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3 years ago

Given that f(x) = x2 + 5x + 6 and g(x) = x + 2, find (fºg)(x) and

PolarNik [594]

Answer:

$(f\circ g)(x)=x^2+9x+20$

Step-by-step explanation:

We have the two functions:

$f(x)=x^2+5x+6\text{ and } g(x)=x+2$

And we want to find:

$(f\circ g)(x)$

This is equivalent to:

$(f\circ g)(x)=f(g(x))$

Therefore, we will have:

$f(x+2)$

By substitution:

$f(x+2)=(x+2)^2+5(x+2)+6$

Simplify. Square and distribute:

$f(x+2)=(x^2+4x+4)+(5x+10)+6$

Rearrange:

$f(x+2)=(x^2)+(4x+5x)+(4+10+6)$

Combine like terms:

$f(x+2)=(f\circ g)(x)=x^2+9x+20$

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3 years ago

IXL -8th grade math W.14

SCORPION-xisa [38]

Answer:

I think seventeen months

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3 years ago