Question

The equation below shows the perimeter f(x) of several rectangular paintings having width x inches:

f(x) = 40 + 2x

The perimeter of each painting is less than 92 inches. Which of the following best describes the domain of f(x)?

Answer 1

All real numbers greater than 0 and less than 26

All real numbers greater than 0 and less than 92

All integers greater than 0 and less than 26

All integers greater than 0 and less than 92

Answer 2

i think B

Answer 3

soo basically 40+2x<92 take 40 to the other side
2x<52
x<26

soo answer C