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natima [27]
3 years ago
11

Suppose that the functions f and g are defined for all real numbers x as follows.

Mathematics
1 answer:
vovangra [49]3 years ago
6 0

Answer:

(f+g)(x)=5x-4

(f*g)(x)=(4x^2-19x-5)

(f-g)(3)=(-15)

Step-by-step explanation:

(f+g)(x)=(x-5)+(4x+1)=(5x-4)

(f*g)(x)=(x-5)(4x-1)=(4x^2-19x-5)

(f-g)(3)=(x-5)-(4x-1)=(3-5)-(4(3)+1)=(-2)-(12+1)=(-2)-(13)=-15 substitute 3 for x

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Sakura purchased ski equipment for $1,248 using a six-month deferred payment plan. The interest rate after the introductory peri
just olya [345]
Hi there

For the first question use the formula of the present value of annuity due
The formula is
Pv=pmt [(1-(1+r/k)^(-n))÷(r/k)]×(1+r/k)
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PMT monthly payment 95
R annual interest rate 0.2379
K compounded monthly 12
N time 7 months

Pv=95×((1−(1+0.2379÷12)^(
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The second question is the same and easier using the formula of the present value of annuity ordinary
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20,640−2,440=18,200
Now find the monthly payment using the formula of
Pv=pmt [(1-(1+r/k)^(-kn))÷(r/k)]
Solve for pmt
PMT=pv÷[(1-(1+r/k)^(-kn))÷(r/k)]
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K 12
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Good luck!

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Answer:

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