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adoni [48]
3 years ago
9

Given the polynomial function below, find Æ-5). F(x) = x - 22-7

Mathematics
2 answers:
Georgia [21]3 years ago
5 0

Answer:

f(-5)= 28

Step-by-step explanation:

Luba_88 [7]3 years ago
3 0

Answer:

f(-5)= 28

Step-by-step explanation:

The function is:

f(x)= x^2-2x-7

To find the answer put the value of -5 for all x's.

f(x)= x^2-2x-7

f(-5)=(-5)^2 - 2(-5)-7

f(-5)=25+10-7

f(-5)=35-7

f(-5)= 28 ...

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What is the slope of the line that passes through the points (1, 1) and (4, 4)?
gizmo_the_mogwai [7]

Answer:

The answer is 1

Step-by-step explanation:

Formula for finding the slope: \frac{y2-y1}{x2-x1}

Take y2 and y1 from (4,<u>4</u>) (1,<u>1</u>)

Take x2 and x1 from (<u>4</u>,4) (<u>1</u>,1)

\frac{y2-y1}{x2-x1}  = \frac{4-1}{4-1} = \frac{3}{3} = 1

This is how the answer is 1

Hope it helps :)

8 0
1 year ago
The ratio of boys to girls in the Science Club is 3:5. If there are 60 girls, how many boys are there?
maks197457 [2]
25 boys. 

15/3 = 5 

5*5=25 
5 0
3 years ago
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Ethan opened a savings account that compounds interest yearly. The value of Ethan's account is given by the equation y = 2000(1.
ivanzaharov [21]

Answer:

D

Step-by-step explanation:

hope this helps but I'm not sure if it's right sorry if wrong

4 0
3 years ago
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Suppose that the weights of 5400 registered female Labrador retrievers in the United States are distributed normally with a mean
Maurinko [17]

Answer:

N= 4543 Labrador retrievers

Step-by-step explanation:

We know that the mean \mu is:

\mu = 62.5

and the standard deviation \sigma is:

\sigma=2.5

The probability that a randomly selected Labrador retriever weighs less than 65 pounds is:

P(X

We calculate the Z-score for X =65

Z = \frac{X-\mu}{\sigma}\\\\Z =\frac{65-62.5}{65}=1

So

P(X

Looking in the table for the standard normal distribution we have to:

P(Z.

Finally the amount N of Labrador retrievers that weigh less than 65 pounds is:

N = P(X

N = 0.8413*5400

N= 4543 Labrador retrievers

6 0
3 years ago
F(x)=x^2-3x-2 is shifted 4 units right. The result is g(x). What is g(x)?
-BARSIC- [3]

Answer:

\boxed{\mathrm{C.}\:\: g(x)=(x-4)^2-3(x-4)-2}

Step-by-step explanation:

The function is shifted 4 units right.

The value of x in the function is subtracted from 4, because this is a horizontal translation.

f(x)=x^2-3x-2

g(x)=(x-4)^2-3(x-4)-2

8 0
3 years ago
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