Question 1

$14 ^ { x } = 24$ Round to two decimal places.

Accepted Answer

A)  1.71 
B)  1.54 
C)  0.83 
D)  1.20 
A)  1.71 
B)  1.54 
C)  0.83 
D)  1.20

Question 2

The amount of a certain radioactive isotope present at time t is given by $\mathrm { A } ( \mathrm { t } ) = 400 \mathrm { e } ^ { - 0.02664 \mathrm { t } }$ grams, where t is the time in years that the isotope decays. The initial amount present is 400 grams. How many grams remain
After 20 years? Round to the nearest hundredth.

Accepted Answer

A)  681.48 g 
B)  234.78 g 
C)  379.25 g 
D)  397.87 g 
A)  681.48 g 
B)  234.78 g 
C)  379.25 g 
D)  397.87 g

Question 3

The number of students infected with the flu on a college campus after t days is modeled by the function $P ( t ) = \frac { 360 } { 1 + 39 e ^ { - 0.3 t } }$ What is the maximum number of infected students possible?

Accepted Answer

A)  720 students 
B)  360 students 
C)  180 students 
D)  9 students 
A)  720 students 
B)  360 students 
C)  180 students 
D)  9 students

Question 4

Evaluate the logarithm, if possible. Round the answer to four decimal places.
-log 4508

Accepted Answer

A)  3.6549 
B)  3.6530 
C)  3.6540 
D)  8.4136 
A)  3.6549 
B)  3.6530 
C)  3.6540 
D)  8.4136

$14 ^ { x } = 24$ Round to two decimal places.

The number of students infected with the flu on a college campus after t days is modeled by the function $P ( t ) = \frac { 360 } { 1 + 39 e ^ { - 0.3 t } }$ What is the maximum number of infected students possible?

Evaluate the logarithm, if possible. Round the answer to four decimal places. -log 4508

Functions, Graphs, and Models; Linear Functions

Linear Models, Equations, and Inequalities

Quadratic, Piecewise-Defined, and Power Functions

Additional Topics With Functions

Higher-Degree Polynomial and Rational Functions

Systems of Equations and Matrices

Special Topics in Algebra

Filters

Exam 5: Exponential and Logarithmic Functions

14x=2414 ^ { x } = 2414x=24 Round to two decimal places.

The number of students infected with the flu on a college campus after t days is modeled by the function P(t)=3601+39e−0.3tP ( t ) = \frac { 360 } { 1 + 39 e ^ { - 0.3 t } }P(t)=1+39e−0.3t360​ What is the maximum number of infected students possible?

Evaluate the logarithm, if possible. Round the answer to four decimal places. -log 4508

Functions, Graphs, and Models; Linear Functions

Linear Models, Equations, and Inequalities

Quadratic, Piecewise-Defined, and Power Functions

Additional Topics With Functions

Higher-Degree Polynomial and Rational Functions

Systems of Equations and Matrices

Special Topics in Algebra

Filters

$14 ^ { x } = 24$ Round to two decimal places.

The number of students infected with the flu on a college campus after t days is modeled by the function $P ( t ) = \frac { 360 } { 1 + 39 e ^ { - 0.3 t } }$ What is the maximum number of infected students possible?