# Posts by Staffon

Total # Posts: 3

**Math**

Company Alpha rents a compact car for $20 per day plus $0.09 per mile. Company Beta rents the same type of car for $29.5 per day plus $0.04 per mile. Suppose you want to rent a car from company Alpha for 5 days. How many miles can you drive the car before it becomes more ...

**calculus**

Damon, For a. you just plug in -1. f(-1)=(-1-1)/((-1)^2+2)= -2/3 ? so yes,(-1,-2/3) on the graph.

**calculus**

Let f(x)=(x-1)/(-x^2+2) a. Is this point (-1,-2/3) on the graph of f? b. State the domain of f and then solve f(x) 1/2?

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