D(n)D, left parenthesis, n, right parenthesis models the duration (in seconds) of the time it took for Hailey to run her n^{th}n th
n, start superscript, t, h, end superscript lap.

Carl is hanging pictures in his home. there is a space on a wall that has a width of 4 feet. carl has pictures with different widths. which picture width would fit in the space on the wall? a. 46 inches b. 60 inches c. 50 inches d. 54 inches