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3 years ago

F(x)=2x which expression represents f^-1(x)?

Mathematics

2 answers:

iVinArrow [24]3 years ago

8 0

Answer:

f^-1(X)= x/2

Step-by-step explanation:

Find the inverse

velikii [3]3 years ago

8 0

Answer:

hey !

your answer is C

x/2

Step-by-step explanation:

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I don’t want you going on a trip with x+2-1 coordinate of Q

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3 years ago

Mario is constructing a frame for 10 in. by 8 in. photo. He wants the frame to be the same with all the way around in the same a

Yuri [45]

Answer: 12 in. by 10 in.

Step-by-step explanation:

Given: The dimensions of photo is 10 in. by 8 in.

Therefore, Area of photo= $10\times8=80\ in.^2$

Area of frame with photo=120 square inches

Let x be the width of the frame, then we have

Length of frame with photo= 10+2x inches

Width of frame with photo =8+2x inches

Now, $(10+2x)(8+2x)=120$

$80+16x+20x+4x^2=120\\\Rightarrow\ 4x^2+36x-40=0\\\Rightarrowx^2+9x-10=0\\\(x-1)(x+10)=0\\\Rightarrow\ x=1,...........[text{Since length can not be negative so it cannot be -10}]$

Thus, dimension of frame = $(10+2(1))(8+2(1))=12\ in.\ by\ 10\ in.$

5 0

4 years ago

two teams have played each other 14 times. Team A has won 9 times, and team B won 5. they will play each other again next week.

klasskru [66]

No, because it is likely that team A will win.

4 0

3 years ago

Identify the vertical cross section of the cylinder.

Sati [7]

Answer:

Rectangle

Step-by-step explanation:

if you split the shape in half vertically you won't get a circle, oval, and triangle isn't even anywhere in that picture.

so using the process of elimination it would have to be the first option. Rectangle.

5 0

3 years ago

a solution of salt and water is 5 parts of salt to 25 parts of water . express the ratio of the amount of salt to the amount of

labwork [276]

Answer:

5 to 25 = 1 to 5 = 1/5 = 20%

Step-by-step explanation:

4 0

3 years ago