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Nutka1998 [239]
3 years ago
14

State the transformation(s) from the parent function f(x). will mark as branliest

Mathematics
1 answer:
kirill115 [55]3 years ago
7 0

Answer:

Try C and see if it works, but read info below

Step-by-step explanation:

Refer to the equation y=a(x-h)^2+k

If a>0 then the parabola opens up and horizontally compresses (shrinks)

If 0<a<1 then the parabola opens up and horizontally stretches

If a<0 then the parabola opens down and horizontally compresses (shrinks)

h is the horizontal shift (along the x-axis)

k is the vertical shift (along the y-axis)

Given the function f(x)=3(x+1)^2-2, we can identify the values:

a=3, so the parabola opens down and horizontally compresses (shrinks) by a factor of 3

h=-1, so the horizontal shift is one unit to the left

k=-2, so the vertical shift is 2 units down

Given the above information, none of the answer choices are correct unfortunately. Your best option to pick is C.

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Suppose that salaries for recent graduates of one university have a mean of $25,700 with a standard deviation of $1350. Using Ch
sergeinik [125]

Answer:

75% of the data will reside in the range 23000 to 28400.

Step-by-step explanation :

To find the range of values :

We need to find the values that deviate from the mean. Since we want at least 75% of the data to reside between the range therefore we have,

1 - \frac{1}{k^2} =\frac{75}{100}

Solving this, we would get k = 2 which shows the value one needs to find lies outside the range.

Range is given by : mean +/- (z score) × (value of a standard deviation)  

⇒ Range : 25700 +/- 2 × 1350

⇒ Range : (25700 - 2700) to (25700 + 2700)

Hence, 75% of the data will reside in the range 23000 to 28400.

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4 years ago
Explain how a calculator shows the remainder when you divide 14 5 by 8
Vladimir [108]
If you put 145 divided by 8 the remainder on a calculator would come out as a decimal
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Please Help <br> Which fuction is the inverse of f(x)=50,000(0.8)^x
RUDIKE [14]
D is the correct answer to your question
3 0
3 years ago
A heated piece of metal cools according to the function c(x) = (.5)^x − 11, where x is measured in hours. A device is added that
Goryan [66]

Answer:

The temperature of metal after five years =  -18.96875

Step-by-step explanation:

Given : Function c(x) = (0.5)^x-11

where x is measured in hours

Another function is added h(x)=-x-3

therefore, the resultant function f(x)=h(x)+c(x)

f(x) = (0.5)^x-11-x-3

For x=5

f(5) = (0.5)^5-11-5-3

f(5) = (0.03125)-19

f(5) = -18.96875

Therefore, The temperature of metal after five years = -18.96875

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3 years ago
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tigry1 [53]

Answer:

84

Step-by-step explanation:

(7² - 5) × 2

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(42) × 2

84

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