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marin [14]
3 years ago
14

5x + 7 + 2x pls help​

Mathematics
1 answer:
Irina-Kira [14]3 years ago
3 0

Answer:

7x + 7

Step-by-step explanation:

You add the numbers with x's

5x + 2x = 7x

Then just add the 7 to the 7x

7x + 7

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The range of which function is (2, infinity)? y = 2x y = 2(5x) y = 5x +2 y = 5x + 2
Sveta_85 [38]

Answer:

I think your functions are y=2^{x} ,y=2*5^{x} and y=2+5^{x}

If yes then then the third function which is y=2+5^{x}.

Step-by-step explanation:

The function c^{x} where c is a constant has

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The above range is irrespective of the value of c.

I have attached the graph of each of the function, you can look at it for visualization.

  • <em>y=2^{x} ⇒ </em>This function is same as  c^{x} so its range is <em>( 0 , ∞ )</em>.
  • <em>y=2*5^{x} ⇒ </em>If we double each value of the function y=5^{x}, which has range ( 0 , ∞ ), but still the value of extremes won't change as 0*2=0 and ∞*2=∞. Therefore the range remains as <em>( 0 , ∞ )</em>.
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3 0
3 years ago
Read 2 more answers
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