Identify the domain of the graph of y=-x^2-6x-13 .
A: all real numbers
B: x less than or equal to -4
C: x is greater than or equal to -6
D: x is greater than or equal to -2

Question

Identify the domain of the graph of y=-x^2-6x-13 .
A: all real numbers 
B: x less than or equal to -4
C: x is greater than or equal to -6
D: x is greater than or equal to -2

anonymous · Answer

this equation opens down, so it has a maximum
from the selection only b is right

anonymous · Answer

domain not range
domain is all real numbers unless otherwise specified

anonymous · Answer

@keana  you got this?

anonymous · Answer

Domain is all the x you can put into the expression and it gives you back a real numbers...