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Len [333]
3 years ago
14

15) g(n) = 2n + 5 f(n) = -4n-1 Find g(f(n))​

Mathematics
1 answer:
Lisa [10]3 years ago
6 0

Answer:

g[f(n)] = -8n+3

Step-by-step explanation:

Given,

g(n) = 2n + 5 , f(n) = -4n-1

Find g(f(n)),

Solutions,

g[f(n)] = g[-4n-1]

= 2(-4n-1) + 5

= -8n–2+5

g[f(n)] = -8n+3

Final Answer = g[f(n)] = -8n+3.

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A picture shows the net of the lateral surface of the cone. Which statement about this cone is NOT true?
Brut [27]

Answer:

Area of the Net is incorrect

Step-by-step explanation:

Base Surface Area =  π×12^2

=  452.38934211693 inches^2

Lateral Surface Area =  π×12×√12^2 + 15^2

=  724.1762903163 inches^2

Total Surface Area = 1176.5656324332 inches^2

3 0
2 years ago
How do you solve the equation 3x = 9 by multiplying 3 to both sides
notka56 [123]
Whenever you see <em>x </em> next to a 3, and it says that it equals 9, you know that 3•3=9.
5 0
3 years ago
Read 2 more answers
Find the quotient<br> -99 over -11
rjkz [21]

Answer:

the quotient is 9 because a negative divided by a negative is a positive

3 0
3 years ago
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Solve the Expression<br><br> 8g + 5 - 2r, g = 5, r = 12
KatRina [158]

Answer:

21

Step-by-step explanation:

First at all you replaced:

8(5) + 5 - 2(12)

40 + 5 -24

21

4 0
3 years ago
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How long does it take for an investment to double in value if it is invested at 10​% compounded monthly question mark monthly? 
Margaret [11]
The first step to determining the answer to this item is to calculate for the effective interest using the equation,

                  ieff = (1 + i/m)^m - 1
where ieff is the effective interest, i is the given interest and m is the number of compounding period.


Part A: m in this item is equal to 12.
Substituting,
                ieff = (1 + 0.10/12)^12 - 1 = 0.1047

The amount of money after n years is calculated through the equation,
               An = A(1 + ieff)^n
If An/A = 2 then,
                  2 = (1 + 0.1047)^n
The value of n is 6.96 years

Part B: For the continuously compounding,
               An = Ae^(rt)
           An/A = 2 = e^(0.10t)
The value of t is equal to 6.93 years. 

Hence, the answers:
<em>Part A: 6.96 years</em>
<em>Part B: 6.93 years</em>

7 0
3 years ago
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