PLS HELP

Where should people focus their efforts when improving transportation energy efficiency?

A) automobile design

B) bus design

C) train design

D) airplane design

A) automobile design

Explanation:

Improving transportation energy efficiency requires the efficient use of energy consumption that is used in the transportation system, e.g fuel consumption in automobile engines. The improvement in the design of automobile engines will greatly enhance the fuel consumption usage in automobile engines and as a result improving the transportation energy efficiency.

we know that the limit of both -1/x and 1/x as x approaches either positive or negative infinity is zero, therefore the limit of sin(x)/x as x approaches either positive or negative infinity is zero.

answer; social justice;