The account balance on April 1st is $60.15. On April 15th a payment of $51.00 is made. On April 25th a purchase of $91.27 is mad
2 answers:
Answer:
Finance charge = $0.13725
New balance =$100.55
Step-by-step explanation:
Given : The account balance on April 1st is $60.15. On April 15th a payment of $51.00 is made. On April 25th a purchase of $91.27 is made. The annual rate is 18%.
To find : What is the finance charge and what is his new account balance?
Solution :
Previous balance = $60.15
Payment = $51
We find the unpaid balance,
Unpaid balance = Previous balance - Payments
= $60.15 - $51
Unpaid balance = $9.15
We have given rate of interest= 18%=0.18
Now, we find the finance charge
Finance charge = Finance rate × Unpaid balance
Finance charge =
Finance charge = $0.13725
New balance = Unpaid balance + finance charge + new transaction
New balance = $9.15 +$0.13725+ $91.27
New balance =$100.55
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Answer:
The inverse function of f(x)=2.5*x+150 is f⁻¹(x)=
Step-by-step explanation:
An inverse or reciprocal function of f (x) is called another function f ⁻¹(x) that fulfills that:
If f(a)=b then f⁻¹(b)=a
That is, inverse functions are functions that do the "opposite" of each other. For example, if the function f (x) converts a to b, then the inverse must convert b to a.
To construct or calculate the inverse function of any function, you must follow the steps below:
Since f (x) or y is a function that depends on x, the variable x is solved as a function of the variable y. And since inverse functions swap the input and output values (that is, if f (x) = y then f⁻¹(y) = x), then the variables are swapped and write the inverse as a function.
You know that he function f(x) = 2.5*x + 150 or y=2.5*x +150
Solving for x:
2.5*x +150=y
2.5*x= y-150
Exchanging the variable, you obtain that <u><em>the inverse function of f(x)=2.5*x+150 is f⁻¹(x)=</em></u><u><em></em></u>