Mostly inverses
This is the solution to 33x=81.
What is x=4/3?
John invested $16,000 at 3% compounded annually. This is how much John has after 7 years.
What is $19,677.98?
Let f(x)=5x. This is the value of x when f(x)=1/5.
What is x=-1?
This is the logarithmic form of 657=476x.
What is x=log476657?
This function, if it exists, is the inverse of f(x)=1/23.
What does not exist?
Jeremy borrowed $96,300 at 3% compounded annually. This is the amount Jeremy owes after 8 years.
What is $121,989.96?
Let f(x)=5x. This is the value of x when f(x)=25.
What is x=2?
This is the solution to log2x=4.
What is x=16?
This function, if it exists, is equivalent to (f-1)-1.
What is f?
Mary borrowed $450 at 8% compounded semiannually. This is the amount Mary owes after 3 years.
What is $569.39?
This is the solution to 8x-4=1.
What is x=4?
This is the solution to log2x+logx(x-2)=3.
What is x=4?
This is how we determine if a graph passes the Horizonal Line Test.
What is if every horizontal line intersects the graph at most once?
Ken invested $372.28 at 7% compounded quarterly. This is the amount in Ken's investment after 2 years and 8 months.
What is $447.96?
This is the solution to 9x+4=27
What is x=-5/2?
This is the solution to log(5x)=log(2x+9).
What is x=3?
This is the number of x-values each y-value in the range of an invertible function can come from.
What is one?
Carlos invested $147,000 at 13% compounded monthly. This is the value of Carlos's investment after 5.5 years.
What is $299,342.20?
This is the solution to 32x-2=64x-3.
What is x=8?
This is the solution set to the equation ln(n2+12)=ln(-9n-2).
What is n=-2,-7?