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Juli2301 [7.4K]
3 years ago
14

AJ graphs the function PLZ HELP

Mathematics
1 answer:
Alik [6]3 years ago
7 0

Answer:

The answer to your question is below

Step-by-step explanation:

Part 1.- His mistake was that he drew the parabola upwards and it must be downwards.

Part 2.

             x                   Substitution                     f(x)

            -5                  -(-5+2)² - 1                         - 10

              1                  -(1 + 2)² - 1                         - 10

             2                  -(2 + 2)² - 1                          - 17  

The value of f(x) is always negative indicating that the parabola goes downwards.

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Can i get help dont put answer in a file
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Hmm I’m almost done it for you hold up
4 0
3 years ago
In the rectangle below,
STALIN [3.7K]

Answer:

Step-by-step explanation:

In a rectangle,  diagonals are equal and bisect each other

BE  =   AE

6x - 5 = 2x +  7

6x - 2x - 5 = 7

       4x - 5 = 7

             4x = 7 + 5

             4x = 12

               x = 12/4

               x = 3

AE = 2x + 7

     = 2*3 + 7

    = 6 + 7

AE =  13

AC = 13 + 13

AC = 26

m∠EBC = 50

In rectangle, each angle is 90

m∠ABE + m∠EBC = 90

m∠ABE + 50 = 90

          m∠ABE = 90 - 50

          m∠ABE = 40

In rectangle, AB // DC and DB transversal

m∠ECD = m∠ABE   { alternate interior angles}

m∠ECD = 40

8 0
3 years ago
A sample of a radioactive isotope had an initial mass of 540 mg in the year 1991 and decays exponentially over time. A measureme
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Answer:

Y=200 (1-0.044)^t

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Read 2 more answers
The value of a rare painting has increased each year since it was found at a garage sale. The value of the painting is modeled b
solmaris [256]

799 represents the initial value of the painting

The painting will be worth $926 after 5 years to the nearest dollar

Step-by-step explanation:

The form of the exponential function is f(x)=a(b)^{x} , where

  • a is the initial value ⇒ (at x = 0)
  • b is the growth/decay factor ⇒ (rate of change)
  • If b > 1, then the function is growth ⇒ (increasing)
  • If 0 < b < 1, then the function is decay ⇒ (decreasing)

The value of a rare painting has increased each year since it was

found at a garage sale

The value of the painting is modeled by the function f(x)=799(1.03)^{x}

We need to know what 799 represents and what the painting will

be worth after 5 years

∵ f(x)=799(1.03)^{x}

∵ The form of the function is f(x)=a(b)^{x}

- By comparing the two forms

∴ a = 799 and b = 1.03

∵ a is the initial value at x = 0

∴ 799 represents the initial value of the painting

∵ x represents the number of years

∴ x = 5

- Substitute the value of x in the function by 5

∵ f(5)=799(1.03)^{5}

∴ f(x) = 926.26

∴ The painting will be worth $926 after 5 years to the nearest dollar

799 represents the initial value of the painting

The painting will be worth $926 after 5 years to the nearest dollar

Learn more:

You can learn more about the functions in brainly.com/question/10382470

#LearnwithBrainly

6 0
3 years ago
Solving quadratic equations by factoring completely equivalent equation for minus 7X -60 equals X squared +10 X
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X
=
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5 good luck buddy
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