A boundary stripe 2 in.wide is painted around a rectangle whose dimensions are 100 ft by 240 ft. Use differentials to approximate the number of square feet of paint in the stripe.
A) $\quad 113 \mathrm { ft } ^ { 2 }$
B) $\quad 113.81 \mathrm { ft } ^ { 2 }$
C) $\quad 113.22 \mathrm { ft } ^ { 2 }$
D) $\quad 113.89 \mathrm { ft } ^ { 2 }$
E) $\quad 113.33 \mathrm { ft } ^ { 2 }$

Question

A boundary stripe 2 in.wide is painted around a rectangle whose dimensions are 100 ft by 240 ft. Use differentials to approximate the number of square feet of paint in the stripe. 
A) $\quad 113 \mathrm { ft } ^ { 2 }$
B) $\quad 113.81 \mathrm { ft } ^ { 2 }$
C) $\quad 113.22 \mathrm { ft } ^ { 2 }$
D) $\quad 113.89 \mathrm { ft } ^ { 2 }$
E) $\quad 113.33 \mathrm { ft } ^ { 2 }$

Quizplus · Accepted Answer

The Answer of A boundary stripe 2 in.wide is painted around a rectangle whose dimensions are 100 ft by 240 ft. Use differentials to approximate the number of square feet of paint in the stripe. 
A) $\quad 113 \mathrm { ft } ^ { 2 }$
B) $\quad 113.81 \mathrm { ft } ^ { 2 }$
C) $\quad 113.22 \mathrm { ft } ^ { 2 }$
D) $\quad 113.89 \mathrm { ft } ^ { 2 }$
E) $\quad 113.33 \mathrm { ft } ^ { 2 }$

A Boundary Stripe 2 In 113ft2\quad 113 \mathrm { ft } ^ { 2 }113ft2

A Boundary Stripe 2 In $\quad 113 \mathrm { ft } ^ { 2 }$