Bob John
Reputation
Next privilege 250 Rep.
 Mar 24 awarded Notable Question Sep 8 awarded Popular Question Sep 2 awarded Notable Question Jan 14 awarded Popular Question Nov 4 awarded Popular Question Jul 2 awarded Curious Jan 14 awarded Popular Question Dec 13 awarded Popular Question Oct 10 comment Prove that $f$ is onto if and only if $g$ is onto I understand the image, but I don't know how to apply the math behind it. Oct 10 comment Prove that $f$ is onto if and only if $g$ is onto How can I find the preimage in $P(A)$? By applying the definition of $g(S)$ for $P(A)$? Oct 10 comment Prove that $f$ is onto if and only if $g$ is onto How can I show that $g$ is onto if it's domain is just the power set of $A$? Oct 10 asked Prove that $f$ is onto if and only if $g$ is onto Oct 9 asked Show that $n$ lines separate the plane into $\frac{(n^2+n+2)}{2}$ regions Oct 9 comment Prove the $3^n < n!$ for all $n > 6$ So I multiply the RHS by 3? Oct 9 asked Prove the $3^n < n!$ for all $n > 6$ Oct 8 comment Solving a differential equation given a general solution Can you explain why the product is -5 rather than just 5? Oct 7 asked Solving a differential equation given a general solution Oct 7 accepted Find the general solution given the complementary solution and particular solution Oct 7 accepted Find general solution given one solution Oct 7 awarded Scholar