Question

Find bold lower u dot bold lower v, if u = 14j and v = i + 4j.
(1 point)
Responses

56
56

negative 56
Image with alt text: negative 56

left angle bracket 1 comma 56 right angle bracket
Image with alt text: left angle bracket 1 comma 56 right angle bracket

left angle bracket 0 comma 56 right angle bracket

Answer 1

The dot product of u = 14j and v = i + 4j is given by:

u dot v = (0)(1) + (14)(4) = 0 + 56 = 56

Therefore, the answer is 56.