SOLUTION: Hi, I'm trying to solve this: Graph the function: 2x^2-x-3 in the Domain -1<=x<=5. What I've found so far is (-1,-2) and (5, 42) is this solution correct? please help if po

Algebra ->  Graphs -> SOLUTION: Hi, I'm trying to solve this: Graph the function: 2x^2-x-3 in the Domain -1<=x<=5. What I've found so far is (-1,-2) and (5, 42) is this solution correct? please help if po      Log On


   

Question 701800: Hi, I'm trying to solve this:
Graph the function: 2x^2-x-3 in the Domain -1<=x<=5.
What I've found so far is (-1,-2) and (5, 42) is this solution correct?
please help if possible
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Graph the portion of the function which is in the domain between -1 and 5, inclusive; ALL of the function in that domain.
graph%28+300%2C+300%2C+-1%2C+5.1%2C+-4%2C+42%2C+2x%5E2-x-3+%29

The righthand endpoint is (5, 42), and the lefthand endpoint is (-1, 0). You made some mistake in computing your point of (-1, -2).
See, 2%2A%28-1%29%5E2-%28-1%29-3=2%2B1-3=0