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2 years ago

F(x) = 3x^2 - 7 4x^2 – 3 Find f(2)

Mathematics

1 answer:

Reil [10]2 years ago

5 0

Answer:

f=5/8x^2+-3/2Divide both sides by two

Step-by-step explanation:

Hope that helped

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HELP! I'll mark you the brainest and give you all my points !! (Show all work)

Paha777 [63]

1. F(3)= -2(3)-5

-6-5

F(3)=-11

2. F(3)= -2(3)^2-4

-6^2-4

36-4

F(3)=32

3. F(x)=−2x−5

For: x=−2, f(x) is:f(−2)=(−2×−2)−5=4−5=−1

For: x=−1, f(x) is:f(−1)=(−2×−1)−5=2−5=−3

For: x=1, f(x) is:f(1)=(−2×1)−5=−2−5=−7

For: x=2, f(x) is:f(2)=(−2×2)−5=−4−5=−9

The Range is:

{−1,−3,−7,−9}

4. -80, -110

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3 years ago

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Mr. Collins made 20 bird houses to sell at a carnival. He earns $15 for each bird house he sells. How much will Mr. Collins earn

navik [9.2K]

Answer:

C. $300

Step-by-step explanation:

We have been given that Mr. Collins made 20 bird houses to sell at a carnival. He earns $15 for each bird house he sells.

To find the amount earned by Mr. Collin after selling all 20 bird houses, we need to multiply 20 by amount earned by selling each bird house.

$\text{Amount earned by Mr. Collin after selling all 20 bird houses}=\$15\times 20$

$\text{Amount earned by Mr. Collin after selling all 20 bird houses}=\$300$

Therefore, Mr. Collin will earn $300, if he sells all 20 bird houses.

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2 years ago

I need help with this question

Dimas [21]

Answer:

Step-by-step explanation:

10+18+25+27+35+50=165

n=6

mean =165/6=27.5

x x- mean (x-mean)²

10 -17.5 306.25

18 -9.5 90.25

25 -2.5 6.25

27 -0.5 0.25

35 7.5 56.25

50 22.5 506.25

_____ ________

sum 0 965.5

_____ _________

standard deviation

$=\sqrt{\frac{sum}{n-1} } \\=\sqrt{\frac{965.5}{5} } \\=\sqrt{193.1} \\\approx 13.896$

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dem82 [27]

Answer:

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Step-by-step explanation:

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Answer:

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F(x) = 3x^2 - 7 4x^2 – 3 Find f(2)​

F(x) = 3x^2 - 7 4x^2 – 3 Find f(2)