- Fri Apr 09, 2010 5:51 pm
- Forum: Advanced Algebra ("pre-calculus")
- Topic: ball thrown up w/ height above cliff base s=-16t^2+96t+144
- Replies:
**3** - Views:
**2997**

The question doesn't provide any values to plug into the equation. I am wondering if they are asking for me to set up the equations that will answer the questions, instead of the actual answer. I am taking the course through TTU by correspondance and I don't have an actual instructor to ask question...

- Thu Apr 08, 2010 9:22 pm
- Forum: Advanced Algebra ("pre-calculus")
- Topic: ball thrown up w/ height above cliff base s=-16t^2+96t+144
- Replies:
**3** - Views:
**2997**

A ball is thrown directly upward from the edge of a cliff in wuch a way that t seconds later, it is s=-16t^2+96t+144 feet above the ground at the base of the cliff. Sketch the graph of this equation (making the t-axis the horizontal axis) and then answer these questions: a. How high is the cliff? b....

- Thu Apr 08, 2010 9:16 pm
- Forum: Calculus
- Topic: Need help w/ word prob: rental agency charges $40/day plus
- Replies:
**2** - Views:
**5031**

Thank you! This problem came from my Calc I book, but they are reviewing Algebra.

- Tue Mar 23, 2010 3:47 pm
- Forum: Calculus
- Topic: Need help w/ word prob: rental agency charges $40/day plus
- Replies:
**2** - Views:
**5031**

A certain car rental agency charges $40 per day with 100 free miles plus 0.34 cents per mile after the first 100 miles. First express the cost of renting a car from this agency for one day in terms of the number of miles driven. Then draw the graph and use it to check your answers to these questions...