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3 years ago

Write the equation for the red part of the piecewise function. Ex: f(x) = mx+b

Mathematics

1 answer:

Akimi4 [234]3 years ago

3 0

The easiest way is to compare two different whole-number points. So, the first one is (0,2) and the other is (3,3), meaning that it's 3 right, 1 up. This means that the slope is ⅓. (⅓x)
Next is the point that intercepts the y-axis. In this case, at x=0 y=2. (+2)

So, the equation for the red part is ⅓x+2

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What is the slope of y = - x + 7

svet-max [94.6K]

$\green{\huge{\red{\boxed{\green{\mathfrak{QUESTION}}}}}}$

What is the slope of y = - x + 7

$\red{ \bold{ \textit{STANDARD \: EQUATION}}}$

$y = mx + c$

$WHERE \\ m = SLOPE \\ c = Y - INTERCEPT$

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$y = mx + c \sim y = ( - 1)x + 7$

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m= (-1)

which is equal to the slope of the equation .

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3 years ago

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Firlakuza [10]

The answer would be 3x i believe
hope this helps! if it doesn't, let me know in the comments! have a great day!

6 0

3 years ago

Solve for a -8 = a(2+5)^2 +41 A. -1 B. 1 C. -2 D. 2

mario62 [17]

Answer:A

Step-by-step explanation:

-8=a(2+5)^2 + 41

-8=a x 7^2 + 41

-8=a x 7 x 7 +41

-8=49a+41

Collect like terms

-8-41=49a

-49=49a

Divide both sides by 49

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a=-1

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Talja [164]

A blank root or a root of blank

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Eliminate the parameter. x = t2 + 2, y = t2 - 4

stepan [7]

$\bf \begin{cases}
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y=t^2-4\\
----------\\
y=\left( \boxed{\sqrt{x-2}} \right)^2-4\implies y=x-2-4\\\\
y=x-6
\end{cases}$

just a plain vanilla substitution

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