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rosijanka [135]
3 years ago
12

Help please,

Mathematics
1 answer:
saul85 [17]3 years ago
3 0
Domain is the numbers you can use
see we have rom x<-3 and x≥-3
therefor it is all real numbers for the domain




domain=all real numbers

and the range is the output
for all numbers less than -3, we have x+4, so -10+3=-7, so it extends infinetely in negative direction
and for x^2+6, you start with -3 which ends with (-3)^2+6=9+6=13, after that it gets bigger

so therefor the range is
from -∞ to -7, not including -7 and from 13 to positive infinity
in interval notation
(-∞,-7)U[13,∞)

domain=all real number
range=(-∞,-7)U[13,∞) or all real numbers except all numbers c, such that -7≤c<13


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