Search found 5 matches


Exponents

5^21 * 4^11 = 2 * 10 ^n

What is the value of n?

by m_blooms

Tue May 06, 2008 5:56 am
Forum: Problem Solving
Topic: Exponents
Replies: 4
Views: 1786

LAymans terms please---GMAT Prep Data Sufficiency

Does the integer k have a factor p such that 1<p<k

(1) "k>4!"

(2) "13!+2 <= k <= 13!+13"



I know its asking something about prime numbers...HELP PLEASE?

by m_blooms

Wed Apr 16, 2008 12:57 pm
Forum: Data Sufficiency
Topic: LAymans terms please---GMAT Prep Data Sufficiency
Replies: 3
Views: 2861

Help Please

From the GMATPrep Practice Exam-What is this asking? And the answer anyone?


For which of the following functions is f(a+b) = f(a) + f(b) for all positive numbers a and b?

a) f(x) =x^2
b) f(x) =x+1
c) f(x) =square root(x)
d) f(x) = 2/x
e) f(x) = -3x

by m_blooms

Sat Apr 12, 2008 6:33 pm
Forum: Problem Solving
Topic: Divisibility (Remainders): When the pos int x is div by 11,
Replies: 10
Views: 2610

Help Please

From the GMATPrep Practice Exam-What is this asking? And the answer anyone?


For which of the following functions is f(a+b) = f(a) + f(b) for all positive numbers a and b?

a) f(x) =x^2
b) f(x) =x+1
c) f(x) =square root(x)
d) f(x) = 2/x
e) f(x) = -3x

by m_blooms

Sat Apr 12, 2008 6:33 pm
Forum: Problem Solving
Topic: Divisibility (Remainders): When the pos int x is div by 11,
Replies: 10
Views: 2610

GMAT Prep Question: What are they asking me to do???

From the GMATPrep Practice Exam-What is this asking? And the answer anyone?


For which of the following functions is f(a+b) = f(a) + f(b) for all positive numbers a and b?

a) f(x) =x^2
b) f(x) =x+1
c) f(x) =square root(x)
d) f(x) = 2/x
e) f(x) = -3x

by m_blooms

Sat Apr 12, 2008 3:22 pm
Forum: Problem Solving
Topic: GMAT Prep Question: What are they asking me to do???
Replies: 2
Views: 1509