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sergij07 [2.7K]
3 years ago
14

I need to know 3b. It ask to find the inverse of Numliters and call it temp

Mathematics
1 answer:
stepan [7]3 years ago
6 0
To find the inverse "relation" of any equation, simply do a switcharoo on the variables, now, if the resulting inverse "relation" happens to be a function, as the "vertical line test" has it, then is also an "inverse function" and as 3a said it, yes, only one-to-one functions have inverse functions

so let's see Numliters(t) then

\bf Numliters(t)=\boxed{y}=354+8(\boxed{t}-62)
\\\\\\
inverse\implies \boxed{t}=354+8(\boxed{y}-62)
\\\\\\
\textit{and now, let's solve for "y"}
\\\\\\
t-354=8(y-62)\implies \cfrac{t-354}{8}=y-62
\\\\\\
\cfrac{t-354}{8}+62=y=f^{-1}(t)
\\\\\\
\textit{now, you're asked to call it "temp"}
\\\\\\
\cfrac{t-354}{8}+62=Temp(t)

now, name wise, heck, you can call it whatever you want, even spaghetti

\bf \cfrac{t-354}{8}+62=spaghetti(t)

anyhow...that's the inverse function

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Answer:

x = -1 , y = -4

Step-by-step explanation by elimination:

Solve the following system:

{8 y - 5 x = -27 | (equation 1)

7 y - 8 x = -20 | (equation 2)

Swap equation 1 with equation 2:

{-(8 x) + 7 y = -20 | (equation 1)

-(5 x) + 8 y = -27 | (equation 2)

Subtract 5/8 × (equation 1) from equation 2:

{-(8 x) + 7 y = -20 | (equation 1)

0 x+(29 y)/8 = (-29)/2 | (equation 2)

Multiply equation 2 by 8/29:

{-(8 x) + 7 y = -20 | (equation 1)

0 x+y = -4 | (equation 2)

Subtract 7 × (equation 2) from equation 1:

{-(8 x)+0 y = 8 | (equation 1)

0 x+y = -4 | (equation 2)

Divide equation 1 by -8:

{x+0 y = -1 | (equation 1)

0 x+y = -4 | (equation 2)

Collect results:

Answer:  {x = -1 , y = -4

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3 years ago
3x+y=4<br> 2x+y=5<br> solve using linear combination
Advocard [28]
Idk what linear combination is but you can solve this way:
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2 years ago
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PLEASE HELP!!!!
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Add 6 to left middle and right
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2 years ago
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gulaghasi [49]

g(x) = -3x - 8


g(x) = 10

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vredina [299]

Answer:

35

Step-by-step explanation:

Multiply 40 by 0.125 (12.5%) and you get 5

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