Найдите функцию, обратную данной функции y = 7x 2 + 9 на интервале x ∈ (−∞; 0)

y = − x − 9 7 y\ =\ -\sqrt{\frac{x\ -\ 9}{7}} y = − 7 x − 9 <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

y = x − 9 7 y=\sqrt{\frac{x\ -\ 9}{7}} y = 7 x − 9 <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

y = x − 9 7 y\ =\ \frac{x\ -\ 9}{7} y = 7 x − 9

y = − 7 − x 9 y\ =\ -\sqrt{\frac{7\ -\ x}{9}} y = − 9 7 − x <path d="M424,2478c-1.3,-0.7,-38.5,-172,-111.5,-514c-73, -342,-109.8,-513.3,-110.5,-514c0,-2,-10.7,14.3,-32,49c-4.7,7.3,-9.8,15.7,-15.5, 25c-5.7,9.3,-9.8,16,-12.5,20s-5,7,-5,7c-4,-3.3,-8.3,-7.7,-13,-13s-13,-13,-13, -13s76,-122,76,-122s77,-121,77,-121s209,968,209,968c0,-2,84.7,-361.7,254,-1079 c169.3,-717.3,254.7,-1077.7,256,-1081c4,-6.7,10,-10,18,-10H400000v40H1014.6 s-87.3,378.7,-272.6,1166c-185.3,787.3,-279.3,1182.3,-282,1185c-2,6,-10,9,-24,9 c-8,0,-12,-0.7,-12,-2z M1001 80H400000v40H1014z">

y = − x − 9 7 y\ =\ -\ \frac{x\ -\ 9}{7} y = − 7 x − 9

Обратная функция к y = 1 x − 7 y\ =\ \frac{1}{x-7} y = x − 7 1

y = 7 + 1 x y\ =\ 7\ +\ \frac{1}{x} y = 7 + x 1

y = x + 7 y\ =\ x\ +\ 7 y = x + 7

y = x − 7 y\ =\ x\ -\ 7 y = x − 7

y = 1 7 − x y\ =\ \frac{1}{7\ -\ x} y = 7 − x 1

y = 1 x − 7 y\ =\ \frac{1}{x\ -\ 7} y = x − 7 1

Кері функция табу

Authored by D D

Mathematics

10th Grade - Professional Development

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

MULTIPLE CHOICE QUESTION

1 min • 5 pts

1. f(x)= 5x+4; f^-1(x)=?

f^-1(x)= (x-4)/5

f^-1(x)= (x+4)/5

f^-1(x)= (x-5)/4

f^-1(x)= (x+5)/4

MULTIPLE CHOICE QUESTION

1 min • 5 pts

2. f(x)=2x; f^-1(x)= ?

f^-1(x)= x-2

f^-1(x)= x/2

f^-1(x)= x+2

f^-1(x)= 2x

MULTIPLE CHOICE QUESTION

1 min • 5 pts

3. f(x)=1-x f^-1(x)= ?

f^-1(x)=1+x

f^-1(x)=x

f^-1(x)=1/x

f^-1(x)=1-x

MULTIPLE CHOICE QUESTION

1 min • 5 pts

5. f(x)=2/x+3 f^-1(x)=?

f^-1(x)= 2/x-2

f^-1(x)= 2/x+2

f^-1(x)= 2/x+3

f^-1(x)= 2/x-3

MULTIPLE CHOICE QUESTION

1 min • 5 pts

4. f(x)=1/x+2 f^-1(x)=?

f^-1(x)= 1/x-2

f^-1(x)= 1/2-x

f^-1(x)= 1/x+2

f^-1(x)= 1/x

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