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grandymaker [24]
3 years ago
14

PLEASE HELP!! if y(x) = 5x-2 and g(x) = 2x + 1, find (f + g)(x).

Mathematics
1 answer:
aliina [53]3 years ago
5 0

Answer:

(f + g)(x) = 7x - 1

Step-by-step explanation:

Given :  f(x) = 5x – 2 and g(x) = 2x + 1

We have to find  (f + g)(x)

Consider  (f + g)(x) = f(x) + g(x)

Also, given  f(x) = 5x – 2 and g(x) = 2x + 1

Substitute, we have,

f(x) + g(x) = 5x - 2 + 2x + 1

LIKE TERMS are terms having same variable with same degree.

Simplify by adding like terms,  we have,

f(x) + g(x) = 5x + 2x - 2  + 1

f(x) + g(x) = 7x  - 1

Thus, (f + g)(x) = 7x - 1

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Answer:

A(n) = 100(1.1)^n

Step-by-step explanation:

Given that :

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Compound interest paid = 10%

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In year, n = 1

Account balance, A(n) = $110

Let initial deposit = P

Hence,

Compound interest relation should be ;

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Plugging in our values

110 = P(1 + 0.1)^1

110 / P = 1.1^1

110/P = 1.1

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Hence, we can define the amount paid inn n years by substuting the value of P into the compound interest formula :

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3 years ago
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Sergeeva-Olga [200]

1. 3,6

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When we make inferences about the difference of two independent population proportions, we assume that it is a random sample, and the number of successes and failures are at least 15 in each group.

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