I'm understanding up until the point were you get to 735=(3,500)(0.07)t and you get 245 i don't understand were you get 245 from i didn't get 245 when i multiplied or divided so can someone me understand were you get 245 from

Which is the graph of the function y=2(4)^x

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?