which terms could be used as the last term of the expression below to create a polynomial written in standard form? check all that apply.

–5x2y4 + 9x3y3 +

x5

y5

–4x4y5

6x4y

–xy5

–x4^-9

why doesn't anybody answer?

Sketch one cycle if the cosine function y=2cos2theta

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s? a. 56.3 b. 33.7 c. 41.8 d. 48.2