vortish
 Name:
 jeff pierce
 School:
 University of Phoenix
 About:
 father to 8 grand pa to two wonderful boys and a farm hand
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Questions Asked

vortish:
Group Title
Give a recursive definition of the set of positive integers that are multiples of 4.
…
 updated one month ago
 1 reply
 No Medals Yet
Mathematics

vortish:
Group Title
How much time does an algorithm take to solve a problem of size n if this algorithm uses 2n^2+2^n operations, each requiring 10^11seconds,…
 updated one month ago
 No Medals Yet
Mathematics

vortish:
Group Title
How much time does an algorithm take to solve a problem of size n if this algorithm uses 2n^2+2^n operations, each requiring 10^11seconds,…
 updated one month ago
 No Medals Yet
Mathematics

vortish:
Group Title
How much time does an algorithm take to solve a problem of size n if this algorithm uses 2n^2+2^n
operations, each requiring 10^11seconds,…
 updated one month ago
 1 reply
 No Medals Yet
Mathematics

vortish:
Group Title
How much time does an algorithm take to solve a problem of size n if this algorithm uses 2n2+2n operations, each requiring 10−11 seconds, wi…
 updated one month ago
 No Medals Yet
Mathematics

vortish:
Group Title
To establish a bigO relationship, find witnesses C and k such that f(x)≤Cg(x) whenever x>k.
Determine whether each of these function…
 updated one month ago
 2 replies
 1 Medal
Mathematics

vortish:
Group Title
o establish a bigO relationship, find witnesses C and k such that f(x)≤Cg(x) whenever x>k.
Determine whether each of these functions…
 updated one month ago
 2 replies
 1 Medal
Mathematics

vortish:
Group Title
Consider an algorithm that uses only assignment statements that replaces the quintuple (v, w, x, y, z) with (w, x, y, z, v). What is the min…
 updated one month ago
 17 replies
 1 Medal
Mathematics

vortish:
Group Title
Find a Boolean product of the Boolean variables x, y, and z, or their complements, that has the value 1 if and only if x=1,y=1, and z=1.
 updated one month ago
 2 replies
 No Medals Yet
Mathematics

vortish:
Group Title
Use a table to express the values of each of these Boolean functions.
F(x,y,z)=x+yz
x y z x+yz
…
 updated one month ago
 6 replies
 1 Medal
Mathematics

vortish:
Group Title
Use a table to express the values of each of these Boolean functions.
F(x,y,z)=x+yz
…
 updated one month ago
 No Medals Yet
Mathematics

vortish:
Group Title
Find the values of these expressions.
a) 1⋅0—= [Num]
…
 updated one month ago
 28 replies
 No Medals Yet
Mathematics

vortish:
Group Title
Find the values of these expressions.
a) 1⋅0—= [Num]
…
 updated one month ago
 No Medals Yet
Mathematics

vortish:
Group Title
Let R1={(1,2),(2,3),(3,4)} and
R2={(1,1),(1,2),(2,1),(2,2),(2,3),(3,1),(3,2),(3,3),(3,4)} be relations from {1,2,3} to {1,2,3,4}.
…
 updated one month ago
 23 replies
 2 Medals
Mathematics

vortish:
Group Title
Find these values.
a) ⌊7.5⌋
…
 updated one month ago
 6 replies
 1 Medal
Mathematics

vortish:
Group Title
Find these values.
a) ⌊7.5⌋
…
 updated one month ago
 No Medals Yet
Mathematics

vortish:
Group Title
Why is f not a function from R to R if
a) f(x)=1/x ?
f(x) is not welldefined because there are two distinct values assigned to each x.
…
 updated one month ago
 10 replies
 2 Medals
Mathematics

vortish:
Group Title
Why is f not a function from R to R if
a) f(x)=1x?
…
 updated one month ago
 1 reply
 4 Medals
Mathematics

vortish:
Group Title
Why is f not a function from R to R if
a) f(x)=1x?
…
 updated one month ago
 No Medals Yet
Mathematics

vortish:
Group Title
Why is f not a function from R to R if
a) f(x)=1x?
…
 updated one month ago
 2 replies
 No Medals Yet
Mathematics

vortish:
Group Title
Find the sets A and B if A−B={1,5,6,9}, B−A={2,10}, and A∩B={4,7,8}.
A={2,10},B={1,5,6,9}
…
 updated 2 months ago
 4 replies
 5 Medals
Mathematics

vortish:
Group Title
Suppose that A={5,8}, B={7,8}, C={7,8,9}, and D={5,7,8}. Determine which of these sets are subsets of which other of these sets.
A⊆
…
 updated 2 months ago
 3 replies
 1 Medal
Mathematics

vortish:
Group Title
Use De Morgan's laws to find the negation of the following statement.
James is young and strong.
…
 updated 2 months ago
 1 reply
 1 Medal
Mathematics

vortish:
Group Title
Let p, q, and r be the propositions
p:
You have the flu.
…
 updated 2 months ago
 5 replies
 No Medals Yet
Mathematics

vortish:
Group Title
Let p, q, and r be the propositions
p:
You have the flu.
…
 updated 2 months ago
 3 replies
 No Medals Yet
Mathematics

vortish:
Group Title
What is the probability that a fair die never comes up an even number when it is rolled three times?
Enter the exact answer as a fractio…
 updated 2 months ago
 No Medals Yet
Mathematics

vortish:
Group Title
in how many different ways can seven elements be selected in order from a set with three elements when repetition is allowed?
 updated 2 months ago
 24 replies
 4 Medals
Mathematics

vortish:
Group Title
A club has 20 members.
a) How many ways are there to choose four members of the club to serve on an executive committee?
…
 updated 2 months ago
 27 replies
 1 Medal
Mathematics

vortish:
Group Title
Description: Ch 03 Sec 3 Ex 15
What is the largest n for which one can solve within one second a problem using an algorithm that requires …
 updated 2 months ago
 No Medals Yet
Mathematics

vortish:
Group Title
What is the largest n for which one can solve within one second a problem using an algorithm that requires f(n) bit operations, where each b…
 updated 2 months ago
 No Medals Yet
Mathematics
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