Equations
Applications
Exponential Functions
Logarithmic Functions
Potpourri
100

The fully simplified solution to 22x-2-2=2-2

What is log2(3)

100

The intersection points between:
3x2-2y2+5=0
2x2-y2+2=0

What are (1,2), (1,-2), (-1,2), and (-1,-2)

100

The decay rate of y=1.2(0.21)x

What is 79%

100

The simplified expression log8(x)/log2(e) written in terms of the natural logarithm

What is 1/3 ln(x)

100

The exponential function that crosses through (-1,8/3) and (2,1/24)

What is y= 2/3 (1/4)x

300

The extraneous solution to ln(x-5)-ln(x+4)=ln(x-1)-ln(x+2)

What is x=-1

300

The formula (not in base e) of an object of temperature, u(t), cooling from an initial temperature, u0, of 100C to the temperature of the surrounding environment, T, of 30C according to  u(t) = T + (u0 - T)ekt, if after 5 minutes the object's temperature is 80C

What is u(t)=30+70(5/7)t/5

300

The exact doubling time based on the model P(t)=125e2+t/2

What is t=ln(4)

300

The solutions to log2(log3|ln(x)|)=1

What are e9 and 1/e9

300

The corner points of the feasible region enclosed x=0, y=0, 2x+y=4, and x+y=9

What are (0,4), (0,9), (9,0), and (2,0)

500

The solution to e4x-3e2x=18

What is 1/ln(6)

500

Editors require 8 hours to proofread a movie script and 5 hours to proofread a television script. Each week the editors work no more than 110 hours. If the team proofreads no more than 10 movie scripts and at least 6 television scripts a week, the maximum profit when they make 400 dollars a movie script and 225 dollars a television script

What is $5350

500

The product of log2(2), log2(4), log2(8), ..., log2(2n)

What is n!

500

The domain of f(x)=ln|x2-16|/(log5(x^2-4)-1)

What is (-inf,-4)U(-4,-3)U(-3,-2)U(2,3)U(3,4)U(4,inf)

500

The solution (as a common log if needed) to f(g(x))=h(g(x)) if f(x)=2x, g(x)=x2, and h(x)=101/x

What is x=1/log(2)