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anonymous
 one year ago
Precalculus help please?
anonymous
 one year ago
Precalculus help please?

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jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2Draw a vertical line through x = 2 where does this vertical line cross the red curve?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I already know part a is 1, 1, 3, 4 but I don't understand part b, c, or d

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2b) the domain is the set of allowed x values so basically you state all of the x coordinates of each point as one big set

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2the range is the possible set of y values that can be outputs of the function

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2does that make sense?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So the domain is [3,4]?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and the range is [1,4]?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2both are correct

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay, what about part c and d?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2h(x) = 3 is the same as saying y = 3 draw a horizontal line through y = 3. Where does it cross the red curve?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2I see two points. What are those points?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so would I just write 3 and 2? Or is there a special notation?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2well they just want x values, so that works

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2actually there's one point I missed

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2yeah so if the input is x = 3, x = 2, or x = 4, then the output is 3

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay, and for part d is it 3, 2, 0, 2, 4?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2you'll need to use inequalities here

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0um okay, so 3<=x<=2 and x=4?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you so much @jim_thompson5910 ! You've been helping me with math for years and I'm in college now and my Professor speaks very broken English :(

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2I'm glad to be of help, and I'm sorry you and your teacher have a communication gap
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