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Keith_Richards [23]
3 years ago
7

Please help! It’s for a test, I’ll also give brainliest!

Mathematics
1 answer:
wolverine [178]3 years ago
4 0
True
Because 9 is a odd number as of 1,3,5 are
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Evaluate the limit as x approaches 0 of (1 - x^(sin(x)))/(x*log(x))
e-lub [12.9K]
sin~ x \approx x ~ ~\sf{as}~~ x \rightarrow 0

We can replace sin x with x anywhere in the limit as long as x approaches 0.

Also,

\large  \lim_{ x \to 0  } ~  x^x = 1

I will make the assumption that <span>log(x)=ln(x)</span><span>.

The limit result can be proven if the base of </span><span>log(x)</span><span> is 10. 
</span>
\large \lim_{x \to 0^{+}} \frac{1- x^{\sin x} }{x  \log x }  \\~\\  \large = \lim_{x \to 0^{+}} \frac{1- x^{\sin x} }{ \log( x^x)  }   \\~\\  \large = \lim_{x \to 0^{+}} \frac{1- x^{x} }{ \log( x^x)  }  ~~ \normalsize{\text{ substituting x for sin x } } \\~\\   \large  = \frac{\lim_{x \to 0^{+}} (1) - \lim_{x \to 0^{+}} \left( x^{x}\right) }{ \log(  \lim_{x \to 0^{+}}x^x)  } = \frac{1-1}{\log(1)}   = \frac{0}{0}

We get the indeterminate form 0/0, so we have to use <span>Lhopitals rule 

</span>\large \lim_{x \to 0^{+}} \frac{1- x^{x} }{ \log( x^x)  } =_{LH} \lim_{x \to 0^{+}} \frac{0 -x^x( 1 + \log (x)) }{1 + \log (x)  }   \\ = \large \lim_{x \to 0^{+}} (-x^x) = \large - \lim_{x \to 0^{+}} (x^x) = -1
<span>
Therefore,

</span>\large \lim_{x \to 0^{+}} \frac{1- x^{\sin x} }{x  \log x }  =\boxed{ -1}<span>
</span>
3 0
3 years ago
If you’re good at algebra could somebody help me please?
Mama L [17]

Answer:

a). f(0) = 7

b). f(\frac{1}{3}) = 6

c). f(-5) = 22

d). x = 9

Step-by-step explanation:

The given function is f(x) = -3x + 7

a). For x = 0

   f(0) = -3(0) + 7

         = 0 + 7

         = 7

b). For x = \frac{1}{3}

    f(\frac{1}{3}) = (-3)(\frac{1}{3})+7

          = -1 + 7

          = 6

c). For x = (-5)

   f(-5) = -3(-5) + 7

          = 15 + 7

          = 22

d). For f(x) = (-20)

    -20 = -3x + 7

     3x = 20 + 7

     3x = 27

       x = 9            

3 0
3 years ago
PLS HELP! <br><br> - x + 4y = -9<br><br> y = -2x + 6<br><br> Is (2,3) a solution of the system?
skelet666 [1.2K]
Answer is no!!!
...........
8 0
3 years ago
Solve with k=10. Remember Oder of operations! 5k2
luda_lava [24]

Answer:

510*510

=5102

=260100

or  

5(10)^2

5*100 = 500

7 0
3 years ago
Read 2 more answers
Given the points (5, 4) and (-3, 2), find the slope of a line that passes through both points.
mr Goodwill [35]
-11 ................
7 0
3 years ago
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