Practice & Problem Solving 7. Leveled Practice What is the amount of air,
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in cubic centimeters, needed to fill the stability ball?
Use 3.14 for #, and round to the nearest whole number.
Use the formula V = gar?
v== 3.1450
55 cm
D
DO
The volume of the stability ball is approximately
cubic centimeters.

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.

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