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Arisa [49]
3 years ago
9

Find f(2) if f(x) = (x + 1)2. 1. 9 2. 6 3. 5

Mathematics
1 answer:
kolezko [41]3 years ago
7 0

Answer: f(2) = 6

Step-by-step explanation: In this problem, we are given the function

f (x) = (x + 1) 2 and we are asked to find f(2). In other words, if we put an "x" into our function, we get a (x + 1) 2 out.

f we put a 2 into the function, we get f(2) =  (2 + 1) 2 out. Now all we have to do is simplify on the right side.

2 + 1 gives us 3 and if we multiply 3 by 2, we get a product of 6.

Therefore, f(2) is 6.

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The ratio of a number and 4 times that number is equal to the ratio of 5 times the number and 95 more than a number
il63 [147K]

Answer:

  1/4 = (5n)/(n +95)

Step-by-step explanation:

If all the numbers referred to are the same number, we can use n to represent it. Then, "the ratio of a number and 4 times that number" is n/(4n) = 1/4. "The ratio of 5 times the number and 95 more than the number" is (5n)/(n+95)

The equation for the problem can be written ...

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___

If you're a purist, you might leave the factors of "a number" in the first raio and write it ...

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