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ryzh [129]
2 years ago
9

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics
2 answers:
WINSTONCH [101]2 years ago
8 0

Answer:

OPTION C

Step-by-step explanation:

<em><u>4</u></em><em><u>7</u></em><em><u>0</u></em><em><u>×</u></em><em><u>1</u></em><em><u>0</u></em><em><u>0</u></em><em><u>-</u></em><em><u>1</u></em><em><u>2</u></em><em><u>/</u></em><em><u>1</u></em><em><u>0</u></em><em><u>0</u></em>

<em><u>=</u></em><em><u>4</u></em><em><u>7</u></em><em><u>0</u></em><em><u>×</u></em><em><u>8</u></em><em><u>8</u></em><em><u>/</u></em><em><u>1</u></em><em><u>0</u></em><em><u>0</u></em>

<em><u>=</u></em><em><u>4</u></em><em><u>7</u></em><em><u>0</u></em><em><u>(</u></em><em><u>0</u></em><em><u>.</u></em><em><u>8</u></em><em><u>8</u></em><em><u>)</u></em>

<em><u>F</u></em><em><u>(</u></em><em><u>X</u></em><em><u>)</u></em><em><u>=</u></em><em><u>4</u></em><em><u>7</u></em><em><u>0</u></em><em><u>(</u></em><em><u>0</u></em><em><u>.</u></em><em><u>8</u></em><em><u>8</u></em><em><u>)</u></em><em><u>X</u></em>

nekit [7.7K]2 years ago
5 0

Answer:

  • C. f(x) = 470(0.88)ˣ

Step-by-step explanation:

  • Initial number =  470
  • Decrease rate = 12%   ⇒ 100% - 12% = 88%   ⇒ 0.88 times

<u>Required equation:</u>

  • f(x) = 470(0.88)ˣ

Correct choice is C

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