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vovikov84 [41]
3 years ago
15

How do u write function notation and what variable does function notation replace

Mathematics
1 answer:
gregori [183]3 years ago
7 0
If f(x) = 2x+1; Prove f(3+1) =f(3)+f(1)
Proof: 2(3+1)+1 = 2(3)+1 + 2(1)
6+2+1 = 6+1+2
9 = 9
<span>Therefore: f(3+1) =f(3)+f(1)

this is NOT the answer just a question i got on my test its a example</span>
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Solve for x in the equation x2+2x+1=17
agasfer [191]

The left side can be written as a square. We can take the square root, then subtract 1.

... (x +1)² = 17

... x +1 = ±√17

... x = -1 ±√17

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3 years ago
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Andrews [41]

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lisov135 [29]
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EASY MATH!!! GIVING BRAINLIEST!!
musickatia [10]

Answer:

55

Step-by-step explanation:

So lets take our 50 dollars.

Next, take your increase of 5%. Remember, 5% is 0.05, and it is a increase of 5%, so we are multipling 50 by 1.05.

Before we start multiplying, lets recall that this occurs twice(2 years), but this doesnt mean we multiply 50 by 1.10. No, we just mutiply 50 by 1.05 2 times:

50*1.05

=

52.5

52.5*1.05

=

55.25

So your answer is 55 dollars(rounding down).

Hope this helps!

4 0
2 years ago
Kong makes $14.25 per hour. If he works a 40-hour week, how much does he have to pay into FICA (7.65%)?
gizmo_the_mogwai [7]
Amount of FICA to be paid
($14.25 x 40) x (7.65/100) = $43.61
7 0
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