Type the correct answer in each box. If necessary, round your answers to the nearest hundredth. Consider the vectors U =<-4, 7> and y=<11,-6.

u + v = < ,>
| |u + v | | ≈ units

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Which expression is equal to (f+g)(x)?

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7