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mel-nik [20]
3 years ago
6

For f(x)=2x + 1 and g(x)= x^2 - 7, find (f + g)(x)

Mathematics
2 answers:
UkoKoshka [18]3 years ago
8 0
The answer to the question

Aleks04 [339]3 years ago
5 0

Answer:

    (f + g)(x) = x² + 2x - 6

Step-by-step explanation:

We have (f + g)(x) = f(x) + g(x)

f(x) = 2x + 1 and g(x) = x² - 7

Substituting

      (f + g)(x) = f(x) + g(x) =   2x + 1 + x² - 7 = x² + 2x +1 -7

       (f + g)(x) = x² + 2x - 6

So we have

    (f + g)(x) = x² + 2x - 6

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60.April would like to invest $200 in the bank for one year. Three banks all have a nominal APR of 1.5%, but compound the intere
mojhsa [17]

Answer:

$203.02

Step-by-step explanation:

Since the bank in question compounds interest continuously, the following equation should be used to determine the final balance (B) in April's account:

B= 200*e^{i*t}

Where "e" is a mathematical constant approximated as 2.7183, "i" is the interest rate (1.5%) and "t" is the investment time in years (1):

B= 200*e^{0.015*1}

B= 203.02

April's balance would be $203.02 after one year.

5 0
3 years ago
Solve the equation <br><br> 14 = 9 - p
morpeh [17]

14 = 9 - p

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Sign changes from +9 to -9

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14-9= -p

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Mutiply both sides by -1 to get + p

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p= -5

Answer: p= -5

3 0
3 years ago
What would an equation be if a line passes through (7, -7) and (7, -1)
Ksivusya [100]

Answer:

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4 0
3 years ago
Add the sum of (−5.4) and 8.2 to the opposite of (−2 3/4 ).
mash [69]

Answer:2

Step-by-step explanation:

-5.4+8.2=14/5 and then opposite of -2 3/4 is 2.

4 0
3 years ago
Jenny bought three pairs of earrings online for $6.38 each pair. If shipping is an additional $2.50, what is the total cost?
grandymaker [24]
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5 0
3 years ago
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