Solve the Problem $P ( d ) = 1 + \frac { d } { 33 }$

Multiple Choice

Solve the problem.
-The function $P ( d ) = 1 + \frac { d } { 33 }$ gives the pressure, in atmospheres (atm) , at a depth $d$ feet in the sea. Find the pressure at 42 feet.

A) $\frac { 25 } { 11 } \mathrm {~atm}$
B) $\frac { 43 } { 33 } \mathrm {~atm}$
C) $\frac { 14 } { 11 } \mathrm {~atm}$
D) $\frac { 3 } { 11 } \mathrm {~atm}$