3 years ago

Which is a function and which is a relation?

Mathematics

1 answer:

LuckyWell [14K]3 years ago

3 0

I think is o but im confused

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If a basketball was super inflated and had a rebound ratio of 85%, write an equation to determine what the height of the basketb

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Answer:

3.77ft

Step-by-step explanation:

According the question

The height of the basketball dropped from a height of 10ft after 6 bound having a rebound ratio of 85%

= 10(17/20)^6 = 3.77 feet

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Lamont works for an electric utility and is installing a 40 foot utility pole as shown. Lamont drills the anchor of a support ca

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Kindy Refer to your text book!

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3 years ago

Solve the system.

ad-work [718]

Answer:

Step-by-step explanation:

$y = \dfrac{1}{2}*(x - 3)^{2}\\\\\\2y = (x-3)^{2}\\\\\\2y = x^{2}-2*x*3 + 3^{2}\\\\\\2y = x^{2} - 6x + 9 \ --------------(I)$

y = -x + 7 -------------(II)

Plugin y = -x + 7 in equation (I)

2(-x + 7) =x² - 6x + 9

-2x + 14 =x ² - 6x + 9

x² - 6x + 9 = -2x + 14

x² - 6x + 9 + 2x - 14 = 0

x² - 4x - 5 = 0

x² -5x + x - 5 = 0

x(x - 5) + 1(x - 5) = 0

(x -5)(x + 1) = 0

x- 5 = 0 ; x + 1 = 0

x = 5 ; x = -1

When x = 5 ⇒ y = -5 + 7 = 2

When x = -1 ⇒ y = -(-1) + 7 = 1 + 7 = 8

Solution (5 , 2) & (-1 , 8)

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3 years ago

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Find the value of b to the shape

Aleonysh [2.5K]

Answer:

b=99°

Step-by-step explanation:

108°+72°+81°+b=360°

b=99°

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A candy wrapping robot can wrap 434 pieces of candy in five minutes. How many pieces of candy can it wrap in any number of minut

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$\frac{434}{5} = 86.8$ candies wrapped per minute.
y=86.8x (y is total candies wrapped, x is the number of minutes)

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