When your girl comes over for the first time

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?