Home
Class 11
MATHS
f and g are real functions defined by f(...

f and g are real functions defined by f(x)= 2x + 1 and g(x) =4x -7. If f(x) = g(x) then x = …. .

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • OBJECTIVE SECTION AS PER NEW PAPER SCHEME

    KUMAR PRAKASHAN|Exercise Relations and Functions (True /False Statement )|30 Videos

  • OBJECTIVE SECTION AS PER NEW PAPER SCHEME

    KUMAR PRAKASHAN|Exercise Trigonometric Functions (Fill in the blanks)|62 Videos

  • OBJECTIVE SECTION AS PER NEW PAPER SCHEME

    KUMAR PRAKASHAN|Exercise Sets (True/False Statement)|24 Videos

  • MATHEMATICAL REASONING

    KUMAR PRAKASHAN|Exercise QUESTION OF MODULE (Knowledge Test:)|2 Videos

  • PERMUTATIONS AND COMBINATIONS

    KUMAR PRAKASHAN|Exercise PRACTICE WORK |40 Videos

Similar Questions

Explore conceptually related problems

Let f and g be real functions defined by f(x)= 2x + 1 and g(x)= 4x- 7 . For what real numbers x, f(x) lt g(x) ?

If f and g are real functions defined by f(x)= x^(2) + 7 and g(x)= 3x + 5 . Then, find each of the following f(-2) + g(-1)

If f and g are real functions defined by f(x)= x^(2) + 7 and g(x)= 3x + 5 . Then, find each of the following f((1)/(2)) xx g (14)

If f and g are real functions defined by f(x)= x^(2) + 7 and g(x)= 3x + 5 . Then, find each of the following f(1)-f(-2)

If f and g are real functions defined by f(x)= x^(2) + 7 and g(x)= 3x + 5 . Then, find each of the following f(3) + g(-5)

If f and g are real functions defined by f(x)= x^(2) + 7 and g(x)= 3x + 5 . Then, find each of the following (f(t)- f(5))/(t-5) , if t ne 5

If f and g are two real valued functions defined as f(x)= 2x+1 and g(x)= x^(2)+1 , then find fg

If f and g are two real valued functions defined as f(x)= 2x+1 and g(x)= x^(2)+1 , then find f+g

If f and g are two real valued functions defined as f(x)= 2x+1 and g(x)= x^(2)+1 , then find f-g

KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Relations and Functions (Fill in the blanks)
  1. If the graph of Y = (x) is symmetric about Y axis then …........

    Text Solution

    |

  2. Value of [2.3] is .......

    Text Solution

    |

  3. Value of [-2.3] is ….....

    Text Solution

    |

  4. Graph of the function f : R rarr R,f(x)=3x+5 is …. .

    Text Solution

    |

  5. f:R rarr R, function f(x) is defined as f(x)= 2x +|x| then f(2x)+f(-x)...

    Text Solution

    |

  6. f:R-{0}rarrR-{0},f(x)=4x^3+3x^2+3x+4" then " x^3 f(1/x)= .......

    Text Solution

    |

  7. Function f defined on Z to Z as f = {(1,1),(2,3),(3,5),(4,7)} and f(x)...

    Text Solution

    |

  8. Function f and g defined on R-{0}rarrR as f(x)=x and g(x)=1/x" then "...

    Text Solution

    |

  9. Function and g defined on RrarrR" as "f(x)=x^2+7 and g(x)=3x+5. Then f...

    Text Solution

    |

  10. R1={(x,y)|y=2x+7,yin R and x in [-5,5]} Then range of R1 …...... .

    Text Solution

    |

  11. f and g are real functions defined by f(x)= 2x + 1 and g(x) =4x -7. If...

    Text Solution

    |

  12. f and g are real functions defined by f(x)= 2x + 1 and g(x) =4x -7. If...

    Text Solution

    |

  13. f(x) is linear function of the type mx + c and f(-1) = -5 and f(3) = 3...

    Text Solution

    |

  14. Find the domain of the function f(x) =(x^(2)+2x+1)/(x^(2)-8x+12)

    Text Solution

    |

  15. The temperature in Celsius in the particular day in city is given by t...

    Text Solution

    |

  16. If f(x)=(1-x)/(1+x)" then "f(x)+ f(1/x)=...... where (x)in R-{0,1}.

    Text Solution

    |

  17. If f(x)=(ax+b)/(a+bx)"then"f(x).f(x).f(1/x)=.... . (where x ne 0)

    Text Solution

    |

  18. If f(x)=(1-x)/(1+x) " then " x=..... .

    Text Solution

    |

  19. If f(x)=sinx" then " 2f(x).f(90-x)=.... .

    Text Solution

    |

  20. The function 't' which maps temperature in degree Celsius into tempera...

    Text Solution

    |