Hiking: You are hiking in a hilly region, and E = E(t) is your elevation at time t. a. Explain the meaning of dE /dt in practical terms. b. Where might you be when dE/ dt is a large positive number?...

Hiking: You are hiking in a hilly region, and E = E(t) is your elevation at time t.

a. Explain the meaning of dE /dt in practical terms.

b. Where might you be when dE/ dt is a large positive number?

c. You reach a point where dE/ dt is briefly zero. Where might you be?

d. Where might you be when dE/ dt is a large negative number?