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likoan [24]
2 years ago
15

If f(x)= -3x + 1, then f^-1(x)=

Mathematics
1 answer:
UNO [17]2 years ago
8 0

Answer:

f^-1(x) = (x-1)/-3

Step-by-step explanation:

Invert equation:

Describe X in original function:

multiplied by -3

add 1

Reverse order:

subtract 1

divide by -3

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Pleaseeeeee helppp i dont get itttttttt
lisov135 [29]

Answer:

don't get what

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
4x-2y=8(x-3) <br><br> x= ?<br> y= ?
Rainbow [258]

x = -6 y/2

y = -2x + 12

hope that helped

6 0
2 years ago
Evaluate the expression <br> y=7 x=8<br> x+ 4y
Elena L [17]

Answer:

36

Step-by-step explanation:

x+4y=8+4(7)=8+28=36

8 0
3 years ago
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You have agreed to loan some money to a friend at a simple interest rate of 180% which is outrageous but still about half of the
choli [55]

Answer:

the amount borrowed is ≅ $527

Step-by-step explanation:

Given that;

simple interest rate r = 180%  p.a

Let the amount borrowed (principal) be $x.

time t  = 4 weeks = 28 days

= 28/365 year

= 0.0767 year

we all know that :

Simple \ \  interest = \dfrac{P*r*t}{100}

Simple \ \  interest = \dfrac{x*180*0.0767}{100}

Simple interest = 0.13806x

Total amount to be paid after 4 weeks= Interest+Principal

= x + 0.13806x

= 1.13806x

Thus;

1.13806x = $600

x = $600/ 1.13806

x = $527.21

Hence; the amount borrowed is ≅ $527

3 0
3 years ago
Eden needs an average of 92% on her quiz scores to earn the grade she wants in science class. Each quiz is worth 20 points.
Jlenok [28]

Answer:

19 points

Step-by-step explanation:

convert points to percents:

20 points = 100%

19 points = 95%

18 points = 90%

17 points = 85%

percent-wise, her average prior to another quiz is 92.5

so if she wants to keep to maintain that average she must get 18 1/2 points; if teacher doesn't award partial credit then she needs to get a full 19 points

5 0
2 years ago
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