Intercept with axis

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

Correct answer:

x =  96

Step-by-step explanation:

F(x)=log(x+4)2 F(x)=0 log(x+4)2=0 log(x+4)=2 x+4=102 x=1024=96

Did you find an error or inaccuracy? Feel free to write us. Thank you!

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


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

You need to know the following knowledge to solve this word math problem:

Related math problems and questions:

  • Sum-log
    complex_log The sum of two numbers is 32, the sum of their logarithms (base 10) is 2.2. Determine these numbers.
  • Log
    log if log4 x+ log8 x = log_b x, what is b?
  • Log
    exp_log Calculate value of expression log |3 +7i +5i2| .
  • Logarithmic equation
    nat_log_ln Solve equation: log13(7x + 12) = 0
  • Expressions 3
    parabola2 If k(x+6)= 4x2 + 20, what is k(10)=?
  • Quadratic function
    eq2_graph It is given a quadratic function y = -4x2+5x+c with unknown coefficient c. Determine the smallest integer c for which the graph of f intersects the x-axis at two different points.
  • Log
    5962705_ad Worker cut his thick log to 6 pieces for 30 min. How long he cut log to 12 pieces?
  • Function 3
    parabola2 Function f(x)=a(x-r)(x-s) the graph of the function has x- intercept at (-4, 0) and (2, 0) and passes through the point (-2,-8). Find constant a, r, s.
  • Exponential equation
    exp Solve for x: (4^x):0,5=2/64.
  • Equation of circle 2
    circle_axes Find the equation of a circle that touches the axis of y at a distance of 4 from the origin and cuts off an intercept of length 6 on the axis x.
  • VCP equation
    combinatorics3 Solve the following equation with variations, combinations and permutations: 4 V(2,x)-3 C(2,x+ 1) - x P(2) = 0
  • Timber log
    water3 The ship goes from point x to y. Downstream it takes 4 hours, upstream 6 hours. How long does it take from a point x to y a log?
  • Simple equation 10
    eq1 35= 7*3*x what is x?
  • Consider 2
    expr Consider the following formula: y = 3 ( x + 5 ) ( x - 2 ) Which of the following formulas is equivalent to this one? A. Y=3x2+9x-30 B. Y=x2+3x-10 C. Y=3x2+3x-10 D. Y=3x2+3x-30
  • My father
    tree3 My father has a big farm. 6/8 of it were planted with mango trees, 1/2 of the remainder are guava trees and the rest 10 trees are santol trees. What is the number of all trees?
  • Quadratic function 2
    parabola1 Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
  • Annual interest
    bank2 A loan of 10 000 euro is to be repaid in annual payments over 10 years. Assuming a fixed 10% annual interest rate compounded annually, calculate: (a) the amount of each annual repayment (b) the total interest paid.