Question

Which option below best describes why the domain of g(x) = 5–x is all real numbers but the range of g is not all real numbers? The domain of g is all real numbers because every real number . However, the range of g is not all real numbers because the

Answer 1

X can be any value, so the domain ( input)  would be any real number. Because the exponent is a negative value it limits what the range (output) would be, so the range can't be all real numbers.