Intercept with axis

F(x)=log(x+4)-2, what is the x intercept

Result

x =  96

Solution:

F(x)=log(x+4)2 F(x)=0 log(x+4)2=0 log(x+4)=2 x+4=102 x=1024=96F(x)=\log(x+4)-2 \ \\ F(x)=0 \ \\ \log(x+4)-2=0 \ \\ \log(x+4)=2 \ \\ x+4=10^2 \ \\ x=10^2 - 4=96



Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!





Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 1 comment:
#
Dr Math
Assuming "log" is the decadic logarithm (log with base 10)

avatar









Tips to related online calculators
Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Following knowledge from mathematics are needed to solve this word math problem:

Next similar math problems:

  1. Linsys2
    linear_eq_3 Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144
  2. Powers 3
    exp_4 2 to the power of n divided by 4 to the power of -3 equal 4. What is the vaule of n?
  3. Asymptote
    asymptote What is the vertical asymptote of ?
  4. Logarithmic equation
    nat_log_ln Solve equation: log33(3x + 21) = 0
  5. Exponential equation
    exp Solve exponential equation (in real numbers): 98x-2=9
  6. The city 3
    city_2 The city has 22,000 residents. How long it is expected to have 25,000 residents if the average annual population growth is 1.4%?
  7. Theorem prove
    thales_1 We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
  8. Logarithm
    log_hat Determine the number whose decimal logarithm is -3.8.
  9. Log
    exp_log Calculate value of expression log |3 +7i +5i2| .
  10. Elements
    fact_1 If the number of elements is decreased by two the number of permutations is decreased 30 times. How many elements are?
  11. Ball game
    lopta_3 Richard, Denis and Denise together scored 932 goals. Denis scored 4 goals over Denise but Denis scored 24 goals less than Richard. Determine the number of goals for each player.
  12. Linear imaginary equation
    cplx_function Given that ? "this is z star" Find the value of the complex number z.
  13. Solve 3
    eq2_4 Solve quadratic equation: (6n+1) (4n-1) = 3n2
  14. Difference AP 4
    sequence_geo_1 Calculate the difference of the AP if a1 = 0.5, a2 + a3 = -1.1
  15. Roots
    parabola Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
  16. Forest nursery
    stromcek_2 In the forest nursery after winter, they found that 1/10 stems died out of them. For them, they land 193 new spruces. How many spruces are in the forest nursery?
  17. Null points
    absolute value Calculate the roots of the equation: ?