A clothing store uses the step function f(x) to recommend jeans sizes as a function of x, a child’s height in inches.
f(x) = StartLayout Enlarged left-brace 1st row 1st column 1 2nd column 40 less-than-or-equal-to x less-than 42 2nd row 1st column 2 2nd column 42 less-than-or-equal-to x less-than 44 3rd row 1st column 3 2nd column 44 less-than-or-equal-to x less-than 46 4th row 1st column 4 2nd column 46 less-than-or-equal-to x less-than 48 EndLayout
According to the function, which is the height of a child who should wear size 2 jeans?
41.9 inches
42 inches
44 inches
44.1 inches