The Function P(d)= $1 + \frac { d } { 33 }$

Multiple Choice

The function P(d) = $1 + \frac { d } { 33 }$ gives the pressure, in atmospheres ( atm ) , at a depth d feet in the sea. Find and interpret P(47) . Do not round your answer.

A) $\frac { 47 } { 33 }$ ; At a depth of 47 feet, the pressure is $\frac { 47 } { 33 }$ atm.
B) $\frac { 80 } { 33 }$ ; At a depth of 80
33 feet, the pressure is 47 atm .
C) $\frac { 47 } { 33 }$ At a depth of $\frac { 47 } { 33 }$ feet, the pressure is 47 atm .
D) $\frac { 80 } { 33 }$ ; At a depth of 47 feet, the pressure is $\frac { 80 } { 33 }$ atm.