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.

Question

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.

Quizplus · Accepted Answer

Plugging d=47 into the formula P(d) gives $1 + \frac{47}{33} = \frac{80}{33}$, which means at 47 feet depth, the pressure is $\frac{80}{33}$ atm.

The Function P(d)= 1+d331 + \frac { d } { 33 }1+33d​

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