Let C be the curve defined by x2+y2=36. Consider all points (x, y) on curve C where y>0. Which of the following statements provides a justification for the concavity of the curve?

The curve is concave down because y′′=−2yx2<0.
The curve is concave up because y′′=2yx2>0.
The curve is concave down because y′′=−36y3<0.
The curve is concave up because y′′=36y3>0.

You want free points & brainliest? answer this drivers ed question correctly and i got you in which of the following situations should you use your vehicle's hazard lights? a. you're stopped on the side of the road with an engine that won't start. b. you're driving toward the shoulder because you hear a strange noise. c. you're driving in the rain and your headlights aren't functioning. d. you're driving slowly because you just spilled coffee on your lap.

If you think a piece of information will be on an upcoming test, you should always write it in your notes.

Which of the following is a reason to approach smaller banks for a business loan? question options: their criteria for approving a loan are much less stringent than those for larger banks. they emphasize personal relationships and may give more weight to personal attributes. they have lower fees. they grant larger loans.