1. Questions

Pre Calculus

Evaluate the function f(x) = log3 x at x =1/27 without using a calculator

a. –4
b. –2
c. 1/27
d. –3
e. 27

  1. 👍
  2. 👎
  3. 👁
Jessica Maths

  1. so you want:
    y = log3 (127)
    or
    3^y = 1/27 , by definition of logs
    3^y = 3^-3

    y = -3

    f(1/27) = -3

    1. 👍
    2. 👎
    Reiny

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    Given that x=log3^5 and y=log3^2, rewrite log3^60 in terms of x and y.

  2. maths

    express log9 in terms of log3 x and log3 y and solve for x and y simultaneously

  3. mathematics

    Given that log5 3=0.683 and log5 7=1.209.without using calculator,evaluate (a) log5 1.4 b)log7 75 c) log3 125

  4. math

    use a graphing calculator use the graph y=e^x to evaluate e^1.7 to four decimal places.

  1. calculus

    1) Solve for x in terms of k: log3(x) + log3(x+7) = k; 3 is the base 2) e^(x+5) = e^(x) + 6, solve for x. Please help, I have no idea how to do these and I've tried several times!

  2. Math. Need help

    1.if g=5 and k=1, evaluate 9+gk a. 13 b. 14 c. 15 d. 16 2.Evaluate a-b^2/b if a = 10 and b = 2. a. 1 b. 3 c. 8 d. 32 3.Evaluate 3xy^2 - y if x = 2 and y = 5. a. 26 b. 30 c. 120 d. 145 4.Evaluate 2d + d^2/3 if d = 6. a. 4 b. 12 c.

  3. Math

    Use a calculator to evaluate the trigonometric function. Round to four decimal places. Make sure that your calculator is in the correct angle mode. 1) csc 2pi/5 1.3213? 2) sec 0.7 1.3075?

  4. Math

    Given that log3=0.4771 and iog5=0.6990 evaluate the value of log1.35+log2.25

  1. alg 2

    evaluate cot 11 pie/6 to the nearest hundred angle given in radians.. is there a way to put this in calculator. another ? use a calculator and inverse function to find radian measures of the given angle angles whose tangent is

  2. Calculus

    Use your graphing calculator to evaluate to three decimal places the value of ∫ 0.5 to 3 ((sinx)/x)dx. I don’t have a graphing calculator so can I please have some help with this question? Thank you in advance!

  3. Calculus

    Pleaseee help on these two questions! 1. Use geometry to evaluate integral(with upper bound of 10 and lower bound of 0) of f(x) dx for f(x)= {5, x 5 A. 12.5 B. 25 C. 37.5 D. Cannot be found 2. Use your calculator to evaluate the

  4. Math

    Define the inverse cotangent function by restricting the domain of the cotangent function to the interval (0, π). Evaluate the expression without using a calculator. (Enter your answer in radians.) arccot(− √3)

You can view more similar questions or ask a new question.