If an equation is already balanced, how would you express that in an answer? A. Write 'balanced as written.'
B. Add a tick next to it.
C. Do not write anything next to it.

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

Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?

Rohit is trying to tune an instrument