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4 years ago

10

Find the range of the function for the fiven domain. f(x)= 3x-8; {-2, -1, 0, 1, 2}

1 answer:

ryzh [129]4 years ago

7 0

<span>f(x)= 3x-8

x = -2, </span><span>f(x)= 3(-2) -8 = -6 - 8 = -14
</span>x = -1, f(x)= 3(-1) -8 = -3 - 8 = -11
x = 0, f(x)= 3(0) -8 = 0 - 8 = -8
x = 1, f(x)= 3(1) -8 = 3 - 8 = -5
x = 2, f(x)= 3(2) -8 = 6 - 8 = -2
Domain <span> {-2, -1, 0, 1, 2}
</span>Range: <span> {-14, -11, -8, -5, -2}
</span>
answer
Range: {-14, -11, -8, -5, -2}

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3 years ago

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Step-by-step explanation:

step 1

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The area of the rectangular backyard is equal to

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substitute

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step 2

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The area of the rectangular piece of sod is

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where

$L=1\frac{1}{3}\ yd=\frac{1*3+1}{3}=\frac{4}{3}\ yd$

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substitute

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step 3

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To find out how many whole pieces of sod will Jim need to buy to cover his backyard, divide the area of the backyard by the area of one piece of soda

so

$\frac{5,876}{30} : \frac{16}{9}=\frac{52,884}{480}=110.175$

Round up

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