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sdas [7]
2 years ago
10

Find the inverse function. f(x) = 3x – 1 f-1(x) = x + [?]

Mathematics
1 answer:
tigry1 [53]2 years ago
4 0

Answer:

f-1(x)=x+1/3 is yr answer.

<h3>stay safe healthy and happy .</h3>
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Using elimination (add or sub) find the solution to the following system of equations 5x+ 3y=9 2x -3y=5
Levart [38]
5x+3y=9
2x-3y=5

5x+2x=9+5
7x=14
14/7x= 2
x=2

sub it in so you get y

5(2)+3y=9
10+3y=9 (-10 to get rid of it)
3y=-1
3y/-1= - 1/3

x= 2 y= - 1/3
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3 years ago
ASAP HELP! BRAINLIEST! can someone help me with this? i need work shown. will mark brainliest!
ki77a [65]

Answer:

  4x^2 +12x +44 remainder 161x +84

Step-by-step explanation:

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The quotient term found this way is multiplied by the divisor and subtracted from the dividend. The difference is the new dividend and the process repeats.

You're done when the degree of the dividend is less than the degree of the divisor. This remainder can be expressed as a fraction with the divisor as the denominator.

  \dfrac{4x^4+5x-4}{x^2-3x-2}=4x^2+12x+44+\dfrac{161x+84}{x^2-3x-2}

5 0
2 years ago
Is x^2 + 1 a polynomial
ki77a [65]

Answer:  Answer: x^2 - 1 is not a polynomial as after simplifying it there will be no variable.

Step-by-step explanation:

3 0
2 years ago
Can anyone help with this
vesna_86 [32]
I would be able to but i left my maths book at school and that has the explanation in, sorry :(
8 0
3 years ago
Read 2 more answers
Use the substitution method to solve the system of equations. Choose the correct ordered pair. x + y = 11 -x = -y - 9
suter [353]
x+y=11 \\&#10;-x=-y-9 \\ \\&#10;\hbox{substitute the second equation by -1} \\ \\&#10;x+y=11 \\&#10;x=y+9 \\ \\&#10;\hbox{substitute y+9 for x in the first equation} \\ \\&#10;y+9+y=11 \\&#10;2y=11-9 \\&#10;2y=2 \\&#10;y=\frac{2}{2} \\&#10;y=1 \\ \\&#10;x=y+9 \\&#10;x=1+9 \\&#10;x=10 \\ \\&#10;(x,y)=(10,1)

The answer is B.
5 0
2 years ago
Read 2 more answers
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