Evaluate the improper integral whenever it is convergent. If it is divergent, state this.
-$\int _ { 3 } ^ { \infty } e ^ { - x / 2 } d x$
A) divergent
B) $\mathrm { e } ^ { - 1 }$
C) 2 $e ^ { - 3 / 2 }$
D) $e ^ { - 3 / 2 }$
E) none of these

Question

Evaluate the improper integral whenever it is convergent.  If it is divergent, state this.  
-$\int _ { 3 } ^ { \infty } e ^ { - x / 2 } d x$
A) divergent
B) $\mathrm { e } ^ { - 1 }$
C) 2 $e ^ { - 3 / 2 }$
D) $e ^ { - 3 / 2 }$
E) none of these

Quizplus · Accepted Answer

The Answer of Evaluate the improper integral whenever it is convergent.  If it is divergent, state this.  
-$\int _ { 3 } ^ { \infty } e ^ { - x / 2 } d x$
A) divergent
B) $\mathrm { e } ^ { - 1 }$
C) 2 $e ^ { - 3 / 2 }$
D) $e ^ { - 3 / 2 }$
E) none of these

Evaluate the Improper Integral Whenever It Is Convergent ∫3∞e−x/2dx\int _ { 3 } ^ { \infty } e ^ { - x / 2 } d x∫3∞​e−x/2dx

Evaluate the Improper Integral Whenever It Is Convergent $\int _ { 3 } ^ { \infty } e ^ { - x / 2 } d x$