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zloy xaker [14]
4 years ago
10

Identify which are functions True or False.

Mathematics
1 answer:
V125BC [204]4 years ago
8 0

Answer:

1. function

2. not a function

3. function

4.not a function

Step-by-step explanation:

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Find the area of the unshaded portion of
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Answer: 3055.25

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1) A jewelry store bought 8 beautiful diamond necklaces. Each necklace cost $9,000. How
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9000x8

=$72000

Step-by-step explanation:

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Consider the polynomial operation 3x(x − 2)(5x + 2). Is the expression equivalent? Select Yes or No for A‐D.
Sav [38]

Answer:

see attached

Step-by-step explanation:

3x(x − 2)(5x + 2)

  • (x − 2)(5x + 2) expand
  • 5x² - 8x - 4
  • 3x ( 5x² - 8x - 4)  expand
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3 0
3 years ago
What is the inverse of the function f(x) = x +3?
KatRina [158]
Next time please add answer choices 

f(x) = y = x+3, Consider y=x+3. You just switch x and y:
 so y= x+3, becomes x=y+3. Once done, you isolate y:
x=y+3 or y = x-3. This this the inverse function of f(x)
5 0
3 years ago
Martin deposits $200 in a savings account that earns 5% annual interest. four years later, cary deposits $200 in an account earn
Scrat [10]
<span>Martin deposits $200 in a savings account that earns 5% annual interest.

year         interest                       balance

1              200 * 5%                    200(1.05)

2              200(1.05) * 5%          200(1.05)^2

3              200(1.05)^2*5%        200(1.05)^3

y                                                200(1.05)^y

=> m = 200 (1.05)^y

four years later, cary deposits $200 in an account earning the same interest.

</span>
<span><span>year         interest                       balance

5              200 * 5%                    200(1.05)

6              200(1.05) * 5%          200(1.05)^2

7             200(1.05)^2*5%        200(1.05)^3

y                                                200(1.05)^(y-4)

=> c = 200(1.05)^ (y-4)
</span>
Answer:
Martin: 200(1.05)^y
Cary: 200(1.05)^(y–4)
</span>
3 0
3 years ago
Read 2 more answers
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