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3 years ago

If f(3)=8 and f'(3)=5 what do you know about f^-1

Mathematics

1 answer:

Phoenix [80]3 years ago

8 0

24 is the answer for(3)=8

15 is the answer for (3)=5

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You charged 1,000 on your credit card for Christmas presents. Your credit card company charges you 26% annual interest, compound

Grace [21]

Answer:

94 months

Step-by-step explanation:

You can use the amortization formula for this.

A = P(r/12)/(1 -(1 +r/12)^(-n))

A is the monthly payment; P is the principal amount; r is the annual interest rate, and n is the number of months.

Filling in the numbers, we can solve for n:

25 = 1000(0.26/12)/(1 -(1+0.26/12)^-n)

Multiplying by the denominator and dividing by 25, we have ...

1 -(1+0.26/12)^-n = 1000(0.26)/(12(25)) = 13/15

Subtracting 13/15 and adding (1+0.26/12)^-n gives ...

2/15 = (1+0.26/12)^-n

Taking logs turns this into a linear equation:

log(2/15) = -n·log(1+0.26/12)

n = log(15/2)/log(1+0.26/12) = 93.999

It would take 94 months, or 7 years 10 months, to pay off the balance.

_____

Your total of payments would be $2,350.

3 0

3 years ago

0.056 divided by -0.004

riadik2000 [5.3K]

Answer: -14

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

If 10% of x is 20, what is 23% of x?

swat32

If 10% of x is 20,
----------
then x = 200.what is 23% of x?
----------
23% = (23/100)*200 = 46

5 0

3 years ago

How does your cosine graph change when including the d-value?

fredd [130]

Answer:

Changing value of "d" changes the vertical shift of the cosine graph.

Step-by-step explanation:

Question says to find about how does your cosine graph change when including the d-value.

General equation of cosine function can be given as:

$y=a\cdot\cos\left(bx-c)\right)+d$

In that formula, value of "d" gives vertical shift.

So changing value of "d" changes the vertical shift of the cosine graph.

6 0

3 years ago

If the radius of a circle is 3.5 what is the diameter

castortr0y [4]

Radius is half of the diameter so it's 7 for the diameter.

4 0

3 years ago

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If f(3)=8 and f'(3)=5 what do you know about f^-1​

If f(3)=8 and f'(3)=5 what do you know about f^-1