Determine the following limits, using

\\\\infty

or

-\\\\infty

when appropriate, or state that they do not exist.\ a.

\\\\lim_(x->7^(+))(4)/(x-7)

\ b.

\\\\lim_(x->7^(-))(4)/(x-7)

\ c.

\\\\lim_(x->7)(4)/(x-7)

\ a. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.\ A.

\\\\lim_(x->7^(+))(4)/(x-7)=,

(Simplify your answer.)\ B. The limit does not exist and is neither

\\\\infty

nor

-\\\\infty

.

Determine the following limits, using or when appropriate, or state that they do not exist. a. limx7+x74 b. limx7x74 c. limx7x74 a. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. limx7+x74= (Simplify your answer.) B. The limit does not exist and is neither nor