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harina [27]
3 years ago
10

Evaluate f(12)=3/2x+14 f(-4)=3/2x+14 f(0)=3/2x+14

Mathematics
1 answer:
Illusion [34]3 years ago
7 0

When f(x) is substituted with a number, you just plug the number into wherever you see x:

_____________

f(12) = 3/2x + 14

f(12) = 3/2(12) + 14

f(12) = 18 + 14

f(12) = 32

f(-4) = 3/2x + 14

f(-4) = 3/2(-4) + 14

f(-4) = -6 + 14

f(-4) = 8

f(0) = 3/2(0) + 14

f(0) = 0 + 14

f(0) = 14

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What is the counter example for 'if you do not eat beef then you're not vegetarian'
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Answer: If you're not vegetarian, then you do not eat beef.

Step-by-step explanation:

Dismiss the 'if' and 'then':

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3 years ago
Determine the number of degrees of freedom for the two-sample t test or CI in each of the following situations. (Round your answ
tekilochka [14]

Answer:

a

  df =  24.32

b

 df = 30.10

c

 df = 30.7

d

df = 25.5

Step-by-step explanation:

Generally degree of freedom is mathematically represented as

          df =  \frac{ [\frac{ s^2_i }{m} + \frac{ s^2_j }{n} ]^2 }{ \frac{ [ \frac{s^2_i}{m} ]^2 }{m-1 }  +\frac{ [ \frac{s^2_j}{n} ]^2 }{n-1 }  }

Considering a

         a) m = 12, n = 15, s1 = 4.0, s2 = 6.0

           df =  \frac{ [\frac{ 4^2 }{12} + \frac{ 6^2 }{15} ]^2 }{ \frac{ [ \frac{4^2}{12} ]^2 }{12-1 }  +\frac{ [ \frac{6^2}{15} ]^2 }{15-1 }  }

         df =  24.32

Considering b

       (b) m = 12, n = 21, s1 = 4.0, s2 = 6.0

          df =  \frac{ [\frac{ 4^2 }{12} + \frac{ 6^2 }{21} ]^2 }{ \frac{ [ \frac{4^4}{12} ]^2 }{12-1 }  +\frac{ [ \frac{6^2}{21} ]^2 }{21-1 }  }

        df = 30.10

Considering c

      (c) m = 12, n = 21, s1 = 3.0, s2 = 6.0

           df =  \frac{ [\frac{ 3^2 }{12} + \frac{ 6^2 }{21} ]^2 }{ \frac{ [ \frac{3^4}{12} ]^2 }{12-1 }  +\frac{ [ \frac{6^2}{21} ]^2 }{21-1 }  }

           df = 30.7

Considering c

        (d) m = 10, n = 24, s1 = 4.0, s2 = 6.0

                df =  \frac{ [\frac{ 4^2 }{10} + \frac{ 6^2 }{24} ]^2 }{ \frac{ [ \frac{4^2}{10} ]^2 }{10-1 }  +\frac{ [ \frac{6^2}{24} ]^2 }{24-1 }  }

               df = 25.5

   

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Step-by-step explanation:

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Step-by-step explanation:

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8 0
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