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rjkz [21]
3 years ago
15

For f(x) = 322 - x , find the value of f(-9).

Mathematics
1 answer:
bekas [8.4K]3 years ago
8 0

Answer:

42

Step-by-step explanation:

simplify

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ASAP! GIVING BRAINLIEST! Please read the question THEN answer CORRECTLY! NO guessing. I say no guessing because people usually g
mr Goodwill [35]

Answer:

A

Step-by-step explanation:

It is not B because 7x^2 means multiplying the equation by seven. It isn't C because that would move the graph DOWN seven units. And it's not D because when it is in parenthesis like that, it means that it is a horizontal shift, not vertical.

4 0
3 years ago
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A 1970 comic book has appreciated 7% per year and originally sold for $0.35. What will the comic book be worth in 2017?
omeli [17]
You tell me if this makes sense to you.

It's 47 years from 1970 to 2017 so you would need to multiply 7% by the 47 years.

So: 0.07x47= 3.29 

Now you should add your new price to your original price: $3.29+$0.35= 3.64

So it should cost $3.64 now. Yes that does seem kind of low but that's how you do it.

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6 0
3 years ago
PLEASE HELP 10pts
Veronika [31]

Answer:

Hence the function which has the smallest minimum is: h(x)

Step-by-step explanation:

We are given function f(x) as:

  • f(x) = −4 sin(x − 0.5) + 11

We know that the minimum value attained by the sine function is -1 and the maximum value attained by sine function is 1.

so the function f(x) receives the minimum value when sine function attains the maximum value since the term of sine function is subtracted.

Hence, the minimum value of f(x) is: 11-4=7 ( when sine function is equal to 1)

  • Also we are given a table of values for function h(x) as:

x    y

−2   14

−1   9

 0   6

  1   5

 2   6

 3   9

 4   14

Hence, the minimum value attained by h(x) is 5. ( when x=1)

  • Also we are given function g(x) ; a quadratic function passing through (2,7),(3,6) and (4,7)

so, the equation will be:

g(x)=ax^2+bx+cHence on putting these coordinates we will get:

a=1,b=3 and c=7.

Hence the function g(x) is given as:

g(x)=x^2-6x+15

So,the minimum value attained by g(x) could be seen from the graph is at the point (3,6).

Hence, the minimum value attained by g(x) is 6.

Hence the function which has the smallest minimum is h(x)

6 0
3 years ago
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A greeting card is 25 centimeters tall and 17 centimeters wide. What is its perimeter?
attashe74 [19]

Answer: 84 cm

Step-by-step explanation: The sides lengths are 25 cm and 17 cm. And to get parameter you have to add all the sides. So, it would be 25 + 25 + 17 + 17.

3 0
3 years ago
For what value of the constant c does the above equation have x = 2 as the only solution?
Stolb23 [73]
The answer is A, -41.
Substitution:
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-16 + 41
25.
Square root of 25 = 5.
5 = 4x - 3.
5 = 4(2) - 3
5 = 8 - 3
5 = 5.

8 0
3 years ago
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