How to get this answer −3⋅f(−8)+7⋅g(2)

Which matrix multiplication is possible?

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.

[15 points, algebra 2]simplify the complex fraction and find the restrictions.