The graph below shows three functions:

which function has all real numbers as its domain?

a) only f(x)
b) both g(x) and p(x)
c) both f(x) and g(x)
d) only p(x)

Domain is how far left or right the numbers go on the number line for that graph

I answerd this yesterday I think

g(x) starts at -inifinity and ends ata bout x=2, so it doesn't have all real numbers
f(x) starts at about -4 and ends at abot infinity, doesn't have all real number
p(x) is a veritical line, we know that lines have domain as all real number

only p(x)
D

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