Saturday
August 23, 2014

Homework Help: mathematics -logs

Posted by malcolm on Saturday, May 12, 2007 at 8:37am.

which three statements are true?

a) if x= -10^4 then log 10 = -4
b)if x= 2^8 then log 2x = 8
c) log2 2= 4
d) if x= 3 then log10 3=x
e) log 10 256-2log 10 a/log 10 b
f)log 10 (a-b)= log 10 a/log 10 b
g) the gradient of the graph of y= 2x^x at x= 2 is 2e^e
h) the gradient of the graph of y= e^x at x= 2is 2e

I am struggling with this one but am thinking d and definately not c? but I dont know all 3

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - Logarithm!!! Select all of the following that are true statements: (a) ...
maths - which three statements are true? a) if x= -10^4 then log 10 = -4 b)if x...
maths - which three statements are true? a) if x= -10^4 then log 10 = -4 b)if x...
math - which three statements are true? a) if x= -10^4 then log 10 = -4 b)if x= ...
Mathematics - Prove that log a, log ar, log ar^2 is an a.p. Is the following ...
Trigonometry - This is a logs question If u=x/y^2, which expression is ...
LOGARITHMS - HI THE QUESTION STATES THAT ONE SHOULD CALCULATE THE LOGS WITHOUT ...
Math - Are all statements that are true. (a) log(A)/log(B)=In(A)/In(B) (b) In ...
Math - Are all statements that are true. (a) log(A)/log(B)=In(A)/In(B) (b) In ...
TRig WIth LoGs help1!! - i have problem i can't solve and the book is no help.. ...

Search
Members