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denis-greek [22]
3 years ago
12

If f(x)=5x-8, which of the following is the inverse of f(x)?

Mathematics
2 answers:
kirza4 [7]3 years ago
6 0

y=5x-8

5x=y+8

x=y/5+8/5 is the inverse of f(x)

Nitella [24]3 years ago
5 0

Answer:

ANSWER IS F>1(X)=X+8/5 APEX

Step-by-step explanation:

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Suppose lines EF and GH are reflected over the line Y equals X to form the lines JK and LM which statement would be true about t
katrin [286]

Answer:

A) JK and LM will be parallel to each other.

Step-by-step explanation:

On reflection on y=x line the x co-ordinate changes with y co-ordinate and y co-ordinate changes with x co-ordinate

(x,y)\rightarrow (y,x)

Points on line EF

(0,6) , (-5,-2)

On reflection of this line on y=x the new points we get for line JK are

(6,0),(-2,-5)

Points on line GH

(-4,9),(-9,1)

On reflection on y=x line the new points we get for line LM are

(9,-4),(1,-9)

Slope of line JK

m=\frac{y_2-y_1}{x2-x1}\\m=\frac{(-5)-0}{(-2)-6} \\m=\frac{-5}{-8}=\frac{5}{8}

Slope of line LM

m=\frac{y_2-y_1}{x2-x1}\\m=\frac{(-9)-(-4)}{1-9} \\m=\frac{-9+4}{-8}=\frac{-5}{-8}\\m=\frac{5}{8}

For two line to be parallel, their slopes will be same.

m_{JK} =\frac{5}{8} , m_{LM}=\frac{5}{8}

Since slopes of lines JK and LM are same therefore we can say that these are parallel to each other.

5 0
3 years ago
For her new MP3 player, Alicia wants a case that is 3 2/5 in. long. The online store shows case sizes in decimal measurements. W
Ivan

Answer:

C.) 3.4 in.

Step-by-step explanation:

Because I did the test and got it right.

5 0
3 years ago
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Show that the following statement is an identity by transforming the left side into the right side. sin θ (sec θ + csc θ) = tan
ExtremeBDS [4]

Answer:

Step-by-step explanation:

Required to prove that:

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Steps:

Recall sec θ= 1/cos θ and cosec θ=1/sin θ

Substitution into the Left Hand Side gives:

Sin θ(Sec θ + Cosec θ)

= Sin θ(1/cos θ  + 1/sinθ )

Expanding the Brackets

=sinθ/cos θ + sinθ/sinθ

=tanθ+1 which is the Right Hand Side as required.

Note that from trigonometry sinθ/cosθ = tan θ

8 0
3 years ago
Which problem is solved using this model?
Sonja [21]
A because it start at 20 and divided 1/2 each time. And when you solved 2/ 1/2 , you get 4 and that is correct because you have 4 arrows.
6 0
3 years ago
If m ∠ 8 = 65 degrees, what is m ∠ 5 ? (Image in details)
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65°

It's opposite on a 180° line. 
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