Solve the problem.
-Participants in a memorization experiment were able to recall an average of $D$ digits in $t$ minutes, where $\mathrm { D } = - 0.4 \mathrm { t } ^ { 2 } + 9 \mathrm { t }$. Use the graph below to estimate the number of digits recalled after 5 minutes.

A)75 digits
B)35 digits
C)15 digits
D)55 digits

Question

Solve the problem.
-Participants in a memorization experiment were able to recall an average of $D$ digits in $t$ minutes, where $\mathrm { D } = - 0.4 \mathrm { t } ^ { 2 } + 9 \mathrm { t }$. Use the graph below to estimate the number of digits recalled after 5 minutes.

A)75 digits 
B)35 digits 
C)15 digits 
D)55 digits

Quizplus · Accepted Answer

The Answer of Solve the problem.
-Participants in a memorization experiment were able to recall an average of $D$ digits in $t$ minutes, where $\mathrm { D } = - 0.4 \mathrm { t } ^ { 2 } + 9 \mathrm { t }$. Use the graph below to estimate the number of digits recalled after 5 minutes.

A)75 digits 
B)35 digits 
C)15 digits 
D)55 digits

Solve the Problem DDD Digits In ttt Minutes, Where D=−0.4t2+9t\mathrm { D } = - 0.4 \mathrm { t } ^ { 2 } + 9 \mathrm { t }D=−0.4t2+9t

Solve the Problem $D$ Digits In $t$ Minutes, Where $\mathrm { D } = - 0.4 \mathrm { t } ^ { 2 } + 9 \mathrm { t }$