Question

The vector u = (4100, 6000) gives the number of units of two models of laptops produced by a company. The vector v = (1350, 1150) gives the prices (in dollars) of the two models of laptops, respectively. Identify the vector operation used to increase revenue by 5%.

Answer 1

answer choices:

Answer 2

well, u*v = revenue earned, so adding .05v should do it

Answer 3

spose we have the vectors (4 6) and prices vector of (1 4)

1(4) + 4(6) = total revenue earned: this is just u.v

total revenue, times 1.05 gives us 5% more.

1.05(u.v)