Simplify √-48. A) -4√3
B) 4√-3
C) 4i√3
D) 4√3i

I feel like its either C or D but I'm not sure pls help <3

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?

Consider the function cot x. which of the following are true? select all that apply.

What is the simplified value of the expression below? 7/2-4.5x3+8