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2 years ago

If f(x) = 3x + 1 and f^-1 = x-1/3 , then the ordered pair of f(3) =

Mathematics

1 answer:

Basile [38]2 years ago

5 0

Answer:

Step-by-step explanation:

f(x) = 3x + 1

f^-1 = x-1/3 , it is known as inverse function.

f(3)= 3*3 +1

=9+1

=10

To find inverse,

x=3x + 1

y=3x+1

Exchanging the position or x and y

x=3y+1

x-1=3y

.•. y=x-1/3

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Given: BD is a diameter m 1= 100° m BC = 30° m CD = 100 150 330

sertanlavr [38]

Answer:

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Step-by-step explanation:

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3 years ago

Question 19 Only, Please show your work. Solve the problem.

ankoles [38]

Answer:

$5\sqrt{2}$

Step-by-step explanation:

Draw a diagonal (line segment from one corner to the opposite corner). You'll form two right triangles with the diagonal being the hypotenuse of both triangles.

Use the Pythagorean Theorem: (leg)^2 + (leg)^2 = (hypotenuse)^2.

Let h represent the length of the hypotenuse.

$h^2 = 5^2+5^2\\h^2=25 + 25\\h^2 =50\\h=\sqrt{50}\\h=5\sqrt{2}$

The question is just a bit vague. It should say opposite corners. I'm assuming the question does not mean the length of one side!

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2 years ago