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3 years ago

Jeremy needs three pieces of wood to make a triangular frame. Which lengths,in feet, will make a triangle?

Mathematics

1 answer:

creativ13 [48]3 years ago

5 0

Answer:

h.2,3,4

Step-by-step explanation:

Any two side lengths of a triangle added together must be bigger than the third side length and the difference of any two side lengths must be smaller than the 3rd side length.

For the option h (2,3,4):

3+2> 4 and 3-2 <4

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barxatty [35]

Answer:

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3 years ago

If f(x)=3x+2,find f(f^-1(14)).

lisov135 [29]

Answer: 14

<u>Step-by-step explanation:</u>

f(x) = 3x + 2

To find f⁻¹, swap the x's and y's and solve for y --> Note: f(x) is y

x = 3y + 2

x - 2 = 3y

$\dfrac{x-2}{3}=y$

$\implies f^{-1}(x)=\dfrac{x-2}{3}$

$\implies f^{-1}(14)=\dfrac{14-2}{3}$

$\implies f^{-1}(14)=\dfrac{12}{3}$

$\implies f^{-1}(14)=4$

f(f⁻¹(14)) = f(4)

f(4) = 3(4) + 2

= 12 + 2

= 14

NOTE: the simplified version is .... f and f⁻¹ cancel out, leaving you with 14

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3 years ago

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Step-by-step explanation:

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2 years ago

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3 years ago

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AVprozaik [17]

Answer:

Step-by-step explanation:

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