When the Coefficient of Linear Expansion $\alpha$ ,And the Temperature Change,T_f - T_i,are Large,a Length L_i of Change,T_f

Multiple Choice

When the coefficient of linear expansion, $\alpha$ ,and the temperature change,T_f - T_i,are large,a length L_i of a solid substance expands in length to

A) L_f = $\alpha$ L_i(T_f - T_i) .
B) L_f = L_i[1 + $\alpha$ (T_f - T_i) ].
C) L_f = L_i[1 + ln( $\alpha$ (T_f - T_i) ) ].
D) $L _ { f } = L _ { i } e ^ { \alpha \left( T _ { f } - T _ { 1 } \right) }$ .
E) $L _ { f } = L _ { i } \left[ 1 + e ^ { \alpha \left( T _ { f } - T _ { i } \right) } \right]$ .