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3 years ago

Can someone help me?

Mathematics

2 answers:

FrozenT [24]3 years ago

6 0

C........................

strojnjashka [21]3 years ago

3 0

Answer:

Choice C is correct.

Step-by-step explanation:

put point A in (x+1,y-3)

now (-6,4) becomes (-5,1).

put point C in (x+1,y-3)

now (2,1) becomes (3,-2)

put point B in (x+1,y-3)

now (-3,-2) becomes (-2,-5).

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AB=√202−162=√400−256=√144=12

ruslelena [56]

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Step-by-step explanation:

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2 years ago

Find the minimum value if f(x) = xe^x over [-2,0]

SashulF [63]

Given function:

$f(x)=xe^x$

The minimum value of the function can be found by setting the first derivative of the function to zero.

$f^{\prime}(x)=xe^x+e^x$ $\begin{gathered} xe^x+e^x\text{ = 0} \\ e^x(x\text{ + 1) = 0} \end{gathered}$

Solving for x:

$\begin{gathered} x\text{ + 1 = 0} \\ x\text{ = -1} \end{gathered}$ $\begin{gathered} e^x\text{ = 0} \\ \text{Does not exist} \end{gathered}$

Substituting the value of x into the original function:

$\begin{gathered} f(x=1)=-1\times e^{^{-1}}_{} \\ =\text{ -}0.368 \end{gathered}$

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1 year ago

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3 years ago

Read 2 more answers

Select the expression in terms of n

Bumek [7]

Answer:

2n - 11

Step-by-step explanation:

Note there is a common difference d between consecutive terms of the sequence, that is

d = - 7 - (- 9) = - 5 - (- 7) = - 7 + 9 = - 5 + 7 = 2

This indicates the sequence is arithmetic with n th term

$a_{n}$ = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

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$a_{n}$ = - 9 + 2(n - 1) = - 9 + 2n - 2 = 2n - 11

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2 years ago