Use algebraic manipulation to find the simplest sum-of products expression for the function: f(x,.x2,x=x, x3+x a,+ 2+xxx ={x+7)-%-%t ath) txisf7 +13 b) (3 points) draw the logic network and compute the cost.

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Which of the following is true for the relation f(x)=2x^2+1