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Lilit [14]
2 years ago
6

Find the average rate of change of the function from

alt="x_{1}" align="absmiddle" class="latex-formula">= 1 to x_{2} = 5.​
Function = x^{2} - 4x + 10
Mathematics
1 answer:
meriva2 years ago
6 0

Hi there!

\large\boxed{\text{Average rate} = 2}

Use the following equation to solve:

\text{Average rate} = \frac{f(x_{2}) - f(x_{1})}{x_{2} - x_{1}}

Solve for the y-values of the equation at the given x values:

f(1) = 1² - 4(1) + 10 = 7

f(5) = 5² - 4(5) + 10 = 15

Plug  the solved values into the equation:

\text{Average rate} = \frac{15 - 7}{5-1}

Simplify:

\text{Average rate} = \frac{8}{4} = 2

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A bank advertises that it compounds money quarterly and that it will take Double your money in 10 years. what is the interest-ra
S_A_V [24]

The interest rate is 6.992%, if a bank advertises that it compounds money quarterly and that it will take Double your money in 10 years.

Step-by-step explanation:

The given is,

                          Compounds money quarterly

                          Double your money in 10 years

Step:1

              Formula to calculate future investment with compounded quarterly,

                                                        A =P(1+\frac{r}{n} )^{nt}...............................(1)

              Where, A - Future amount

                           P - Initial investment\

                            r - Rate of interest

                            n - No. of compounding in a year

                             t - No. of years

Step:2

               Let, P = X

                      A = 2X ( Double your money )

              From given, n - 4 ( for compounding quarterly )

                                    t - 10 years

               From equation (1)

                                                        2X =X(1+\frac{r}{4} )^{(4)(10)}

                                                         \frac{2X}{X}  =(1+\frac{r}{4} )^{(4)(10)}

                                                            2  =(1+\frac{r}{4} )^{40}

          Take root 40^{th} root on both side,

                                                         \sqrt[40]{2} = (1+\frac{r}{4} )

                                            1.017479692 = (\frac{4+r}{4} )

                                     (1.017479692)(4) = (r+4)

                                                  4.06992=(r+4)

                                                              r = 4.06992 -4

                                                              r =( 0.06992)(100)

                                                              r = 6.992 %

Result:

             The interest rate is 6.992%, if a bank advertises that it compounds money quarterly and that it will take Double your money in 10 years.

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3 years ago
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xenn [34]

Answer:

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Step-by-step explanation:

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3 years ago
Simplify the expression completely.<br><br> 16x-12x
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These are like terms, meaning that they are completely the same disregarding the coefficient.

To combine like terms, add the coefficients.
16+(-12)=4

Final answer: 4x
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Use the digits 1-7 to create a seven digit number that can be rounded to 6,300,000
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Use every one of the numbers from 1-7 or just like, 6,311,111 round down?
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A boat has a speed of 5 mph in calm water. It takes the boat 3 hours to travel updtream but only 2 hours to travel the same dist
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<span>
2(5+c)=3(5-c) 
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c=1</span>
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