Answer is (4,-3) I’m pretty sure it’s right sorry if it’s wrong
Answer:
f(x) = 
Step-by-step explanation:
The given options are,
a) f(x) = 
b) f(x) = 
c) f(x) = 
d) f(x) = 
Now, among the given options only option (a) satisfies the criteria stated in the question i. e.,
1. f(x) → 0 as x → - ∞ and
2 f(0) = 1
so, the correct answer is,
f(x) = 
Her new balance is 0 trust me i did this wuestion before. Lets say she had a negative balance of 47, she puts 47 and thats what she owes so -47- (-47)=0☺️
The answer is 873 hope this will help you.