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Mathematics

Algebra

Easy

Question

$I f space t h e space f u n c t i o n space straight f colon straight R minus left curly bracket 1 comma negative 1 right curly bracket not stretchy rightwards arrow straight A space defined space by space straight f left parenthesis straight x right parenthesis equals fraction numerator straight x squared over denominator 1 minus straight x squared end fraction comma space is space surjective comma space then space straight A space is space equal space to space colon$

$R - {- 1}$
$R - [- 1, 0)$
$R - (- 1, 0)$
$[0, \infty)$

The correct answer is: $straight R minus left square bracket negative 1 comma 0 right parenthesis$

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$L e t space alpha space a n d space beta space b e space t h e space r o o t s space o f space t h e space e q u a t i o n space x squared space plus space x space plus space 1 space equals space 0. space T h e n space f o r space y not equal to 0 space i n space R comma space open vertical bar table row cell y plus 1 end cell alpha beta row alpha cell y plus beta end cell 1 row beta 1 cell y plus alpha end cell end table close vertical bar space i s space e q u a l space t o space colon$

$L e t space alpha space a n d space beta space b e space t h e space r o o t s space o f space t h e space e q u a t i o n space x squared space plus space x space plus space 1 space equals space 0. space T h e n space f o r space y not equal to 0 space i n space R comma space open vertical bar table row cell y plus 1 end cell alpha beta row alpha cell y plus beta end cell 1 row beta 1 cell y plus alpha end cell end table close vertical bar space i s space e q u a l space t o space colon$

MathematicsAlgebra

If $left square bracket table attributes columnalign left left columnspacing 1em rowspacing 4 pt end attributes row 1 1 row 0 1 end table right square bracket left square bracket table attributes columnalign left left columnspacing 1em rowspacing 4 pt end attributes row 1 2 row 0 1 end table right square bracket left square bracket table attributes columnalign left left columnspacing 1em rowspacing 4 pt end attributes row 1 3 row 0 1 end table right square bracket horizontal ellipsis horizontal ellipsis. left square bracket table attributes columnalign center center columnspacing 1em rowspacing 4 pt end attributes row 1 cell n minus 1 end cell row 0 1 end table right square bracket equals left square bracket table attributes columnalign center center columnspacing 1em rowspacing 4 pt end attributes row 1 78 row 0 1 end table right square bracket$ then the inverse of $left square bracket table attributes columnalign left left columnspacing 1em rowspacing 4 pt end attributes row 1 n row 0 1 end table right square bracket$ is

If $left square bracket table attributes columnalign left left columnspacing 1em rowspacing 4 pt end attributes row 1 1 row 0 1 end table right square bracket left square bracket table attributes columnalign left left columnspacing 1em rowspacing 4 pt end attributes row 1 2 row 0 1 end table right square bracket left square bracket table attributes columnalign left left columnspacing 1em rowspacing 4 pt end attributes row 1 3 row 0 1 end table right square bracket horizontal ellipsis horizontal ellipsis. left square bracket table attributes columnalign center center columnspacing 1em rowspacing 4 pt end attributes row 1 cell n minus 1 end cell row 0 1 end table right square bracket equals left square bracket table attributes columnalign center center columnspacing 1em rowspacing 4 pt end attributes row 1 78 row 0 1 end table right square bracket$ then the inverse of $left square bracket table attributes columnalign left left columnspacing 1em rowspacing 4 pt end attributes row 1 n row 0 1 end table right square bracket$ is

MathematicsAlgebra

Tell the time the clock shows.

Tell the time the clock shows.

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Find the time the clock shows.

Find the time the clock shows.

MathematicsGrade-1

Choose the clock which shows the time 9 o’clock.

Choose the clock which shows the time 9 o’clock.

MathematicsGrade-1

Which clock shows the time as 11 o’clock?

Which clock shows the time as 11 o’clock?

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parallel

Danny starts playing a cricket match one hour after 5 o’clock. What time did he start playing the match?

Danny starts playing a cricket match one hour after 5 o’clock. What time did he start playing the match?

MathematicsGrade-1

Simon likes to read 1 hour after 4o’clock. which clock shows the time Simon might read?

Simon likes to read 1 hour after 4o’clock. which clock shows the time Simon might read?

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The one hour before of 8 o’clock is _____.

The one hour before of 8 o’clock is _____.

MathematicsGrade-1

parallel

Two hours after 10 o’clock is _____.

Two hours after 10 o’clock is _____.

MathematicsGrade-1

John starts playing drums at 10 o’clock. He plays continuously one hour. At what time he finished playing drums.

John starts playing drums at 10 o’clock. He plays continuously one hour. At what time he finished playing drums.

MathematicsGrade-1

Lisa rides her bike 1 hour after 6 o’clock. Choose the clock that shows the time Lisa might ride her bike.

Lisa rides her bike 1 hour after 6 o’clock. Choose the clock that shows the time Lisa might ride her bike.

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1 hour before 1 o’clock is ____.

1 hour before 1 o’clock is ____.

MathematicsGrade-1

1 hour before 12 o’clock is ____

1 hour before 12 o’clock is ____

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The music concert starts at 10 o’clock and it ends after one hour. At what time the music concert ends?

The music concert starts at 10 o’clock and it ends after one hour. At what time the music concert ends?

MathematicsGrade-1

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