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Anastaziya [24]
3 years ago
13

If f(x) =3x-2, find f-1(x)

Mathematics
2 answers:
Minchanka [31]3 years ago
6 0
If X is -1 then sub and it will equal -5
WARRIOR [948]3 years ago
4 0

Answer:

f(x) = 3x - 2

f^-1(x) = ?

Now  

Let y = f(x)

or y = 3x - 2

Interchanging the role of x and y

x = 3y - 2

x + 2 = 3y

y =( x + 2 ) / 3

Therefore f^-1(x) =  

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Consider the equation Ax+By=−36. If the x-intercept is (−3,0) and the y-intercept is (0,9), what are the values of A and B?
Grace [21]

Answer:

A= 12

B = -4

Step-by-step explanation:

( -3,0) & (0,9) should satisfy the equation Ax + By = -36

when ( -3,0)

-3A+ 0 = -36

A = 12

when (0,9)

0 + 9B = -36

B = -4

5 0
3 years ago
Help please I’m tired
xxTIMURxx [149]

15.25-7.14=8.11

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5 0
3 years ago
7(w+2)+0.5w=5<br> What is W if the answer is 5?
V125BC [204]

Answer:

The answer to your question is w = 1.2

Step-by-step explanation:

Data

Equation                           7(w + 2) + 0.5w = 5

Expand                               7w + 14 + 0.5w = 5

Simplify like terms             (7w + 0.5w) + 14 = 5

                                            7.5w + 14 = 5

Subtract 14 in both sides

                                            7.5w + 14 - 14 = 4 - 15

Simplify

                                            7.5w = - 9

Divide both side by 7.5      7.5/7.5w = 9/7.5

Simplify

                                             w = 1.2      

6 0
3 years ago
WILL GIVE BRAINLIEST!!!JUST HELP PLEASE!
aliya0001 [1]

Answer:

uhhh… i dunno

Step-by-step explanation:

sry i cannot help u w/ this

Can u just put brainliest for this pls?

Thanks!

6 0
3 years ago
Scenario: In one year, a bank pays 2% interest on a $1,000 deposit. The same year, the bank charges 12% interest on a $1,000 loa
MaRussiya [10]
The answer would be 100 A on e2020
6 0
3 years ago
Read 2 more answers
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