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irga5000 [103]
3 years ago
12

Inverse of the function f(x) = 2x + 5?

Mathematics
2 answers:
Sindrei [870]3 years ago
8 0

Answer:

          x - 5

y = --------------

             2

Step-by-step explanation:

1.  Replace "f(x)" with "y:"  y = 2x + 5

2.  Interchange x and y:  x = 2y + 5

3.  Solve this result for y:

2y = x - 5, or

       

          x - 5

y = --------------

             2

andrew-mc [135]3 years ago
3 0

Answer:

y^{-1} =\frac{1}{2} x-\frac{5}{2}

Step-by-step explanation:

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1.
AleksAgata [21]

Answer:

D. y = 58

Step-by-step explanation:

Answer:

The value of the polynomial   is 58 for x = 6.

Step-by-step explanation:

Here, the given quadratic function polynomial is given as:

or,  

Now, to find the value of y, when x = 6

⇒  

                 = 2(36 - 6 -1)  = 2(29)  

                 = 58

⇒y(6)  = 58

Hence, the value of the given polynomial   is 58 for x = 6.

3 0
3 years ago
The table below shows the value of y for different values of x:
Sav [38]
A is the answer i have to write 20 characters so I am writing random things 
7 0
3 years ago
Question 7
Ksenya-84 [330]

Answer:

(4,2) and (2,-2)

Step-by-step explanation:

using m=y2-y1/x2-x1

m= -2-2/2-4=-4/-2

therefore,

m=2

3 0
3 years ago
A cup is 240 mL. what fraction of the cup is 100 mL.
babunello [35]

answer

5/12

Step-by-step explanation:

100/240 simplifies to 5/12

8 0
3 years ago
Read 2 more answers
Can I get some help? I don’t understand this :/
DIA [1.3K]
Together they equal 90 degrees.
Equation:
(0.1x - 22) + (0.3x - 54) = 90
Open parenthesis and simplify:
0.4x -76 = 90
0.4x = 166
DIvide:
Your final answer is x= 415
Hope this helps!
4 0
3 years ago
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