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tatyana61 [14]
3 years ago
9

Find f(2) given that f(x)=x2−5x+7. f(2)=_____

Mathematics
1 answer:
Semmy [17]3 years ago
4 0

Answer:

f(2) = 1

Step-by-step explanation:

To calculate f(2), substitute x = 2 into f(x) , that is

f(2) = 2² - 5(2) + 7 = 4 - 10 + 7 = 1

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Is that right? <br><br> If not please help me out.
Alex73 [517]

Answer:

Yeah.it is right

Step-by-step explanation:

7 0
3 years ago
How do I solve this problem (5.21 x 10^-5)^2
iragen [17]
(5.21\cdot10^{-5})^2=5.21^2\cdot(10^{-5})^2=27.1441\cdot10^{-10}=2.71441\cdot10^{-9}
8 0
4 years ago
Determine the domain of the function. f as a function of x is equal to thirteen divided by three minus x.
Hitman42 [59]

Answer:

hello :

f(x) = 13/ (x-3)

f(x) exist : x - 3 ≠ 0

x - 3 = 0      : x = 3

the domain of the function : f  is   D  = ]-∞:3[ U] 3;+∞[




6 0
3 years ago
Y=190(1.07)^x<br> identify whether growth or decay and the percentage
Katyanochek1 [597]

Answer:

Growth

7%

Step-by-step explanation:

Exponential Growth:

y = a(1 + r)x

Exponential Decay:

y = a(1 - r)x

6 0
3 years ago
Mrs. Ibarra wants to create a right triangle for a geometry test. She plans to use 15, 36, and 41 as side lengths. Which stateme
Aliun [14]

Answer:

A and C are correct.

Step-by-step explanation:

A: 15 + 26 is greater than 41 so it will form a triangle

B: 15 + 36 is not equal to 41 so it will not form a triangle

C: 15 squared + 36 squared = 1,521

   41 squared = 1,681

   Since a squared + b squared not-equals c squared, it will not be a right    

   triangle.

D: 15 squared + 36 squared = 297

    41 squared = 82

A is correct because any 2 sides of a triangle must be greater than the third.

B is incorrect because it cannot equal the third side, but must be greater than.

C is correct because in a right triangle, the sum of the square of the legs must be equal to the square of the hypoteneuse.

D just does not make sense.

7 0
3 years ago
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