Tesla crafts imitation dream catchers in her spare time. her father constantly encourages her to sell them on ebay. when she finally agrees to sell them, she notices that while she still enjoys making the dream catchers, she no longer does it for fun—she does it to make money. this is an example of the effect.

When a company produces and sells x thousand units per week, its total weekly profit is p thousand dollars, where upper p equals startfraction 800 x over 100 plus x squared endfraction . the production level at t weeks from the present is x equals 4 plus 2 t. find the marginal profit, startfraction dp over dx endfraction and the time rate of change of profit, startfraction dp over dt endfraction . how fast (with respect of time) are profits changing when tequals8?

Three years ago, the city of recker committed to build a park and music venue by the river. it was expected to cost $2.5 million and be paid for from an additional meals tax in the community. the residents pushed back. local restaurants suffered as people ate out less or patronized restaurants in neighboring communities. the project has stalled, but the town council kept pushing it on. this spring, a flood devastated the venue. the town council appears to have suffered from bias

True or false: it is generally better to concentrate your exercise time on the weekends only for maximum aerobic benefit.