The formula to find the spring constant, , for a spring with potential energy, , that has been stretched by length, , is shown below. Darla has been given and and needs to solve for the potential energy, , of the spring. Which of the following represents the formula Darla should use?

❤️ (geometry) does the construction demonstrate how to copy an angle correctly using technology a) yes; the distance between points a and f was used to create circle h b) yes; the distance between points f and g was used to create circle h c)no; the distance between points a and f was used to create circle h d) no; the distance between points f and g was used to create circle h