Find the domain and range of the inverse of the given function.
-$$f ( x ) = 4.9 + 1.72 x$$
A) Domain: $[ 4.9 , \infty )$; range: all real numbers
B) Domain: all real numbers; range: $( - \infty , 4.9 ]$
C) Domain: all real numbers; range: $[ 4.9 , \infty )$
D) Domain and range: all real numbers

Question

Quizplus · Accepted Answer

The given function $f(x) = 4.9 + 1.72x$ is a linear function, which means it is continuous and defined for all real numbers. Its inverse function will also be linear and thus defined for all real numbers. Therefore, both the domain and range of the inverse function are all real numbers.

Find the Domain and Range of the Inverse of the Given