Question

Given y = log3(x + 4), what is the domain?
x > –4

x < – 4

all real numbers
What is the range?

y > – 4

y < – 4

all real numbers

Answer 1

Domain: x > –4. (log requires x+4>0 → x>-4)

Range: all real numbers. (log base 3 can produce any real value)