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3 years ago

Classify the triangle by the sides

Mathematics

1 answer:

Elena L [17]3 years ago

8 0

Answer:

isoseles

Step-by-step explanation:

has equal sides

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Please help!!! f(x) = x2. What is g(x)?

Illusion [34]

Answer:

The answer is option D.

g(x) = (1/3x)²

Hope this helps you

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4 years ago

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maxonik [38]

Please show the entire question. What are you trying to do with these problems?

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4 years ago

Why cant i see the answer key

Ugo [173]

Answer: where are you looking for it?

Step-by-step explanation:

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3 years ago

Plz I can’t do this

zheka24 [161]

Answer: f(g(x))=x and g(f(x)) = x

f⁻¹(x) = g(x) YES ARE INVERSES

f⁻¹(x) ≠ g(x) NOT INVERSES

Step-by-step explanation:

Inverse is when you swap the x's and y's and then solve for y.

If f⁻¹(x) = g(x), then they are inverses of each other.

Similarly, if g⁻¹(x) = f(x), they are inverses of each other.

NOTE: You can also use composition to determine if they are inverses --> If (fog)(x) = x, then they are inverses of each other.

$f(x) = \dfrac{1}{x+4}-9\\\\\\\text{Swap the x's and y's. NOTE: f(x) is y}\\x=\dfrac{1}{y+4}-9\\\\\\\text{Add 9 to both sides}\\x+9=\dfrac{1}{y+4}\\\\\\\text{Flip the fractions}\\\dfrac{1}{x+9}=y+4\\\\\\\text{Subtract 4 from both sides}\\\dfrac{1}{x+9}-4=y\\\\\\\boxed{f^{-1}(x)=g(x)\text{ so f(x) and g(x) are inverses of each other}}$

$f(x) = 3x+27\\\\\\\text{Swap the x's and y's NOTE f(x) is y}\\x=3y+27\\\\\\\text{Subtract 27 from both sides}\\x-27=3y\\\\\\\text{Divide everything by 3}\\\dfrac{1}{3}x-\dfrac{27}{3}=y\\\\\\\text{Simplify}\\\dfrac{1}{3}x-9=y\\\\\\\boxed{f^{-1}(x)\neq g(x)\text{ so f(x) and g(x) are NOT inverses of each other}}$

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3 years ago

Estimate the quotient 1.64 divided by 22

Ainat [17]

Answer:

about 0.075

Step-by-step explanation:

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3 years ago

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