Need help in math

what is measurements for :

DF

BC

CD

DE​

f the borrower, the amount borrowed, and the loan-to-loan value (LTV) ratio. The LTV ratio is the ratio of amount borrowed to appraised value of the home. For example, a homebuyer who wishes to borrow $250,000 with a credit score of 730 and an LTV ratio of 80% will pay 0.5% (0.005) of $250,000, or $1,250. The table shows the LLPA for various credit scores and an LTV ratio of 80%. (see picture)

(a) Construct a function C=C(s), where C is the loan-level price adjustment (LLPA) and s is the credit score of an individual who wishes to borrow $300,000 with an 80% LTV ratio.

(b) What is the LLPA on a $300,000 loan with an 80% LTV ratio for a borrower whose credit score is 725?

(c) What is the LLPA on a $300,000 loan with an 80% LTV ratio for a borrower whose credit score is 670? ​

Step-by-step explanation:

option a.

step-by-step explanation:

if you look closely at the graph, we can notice that the function is not defined at two different points.

if you look at functions b and c, you will notice that both functions are not defined at just one point. the function b is not defined at x= -5/2 and function c is not defined at x=-5. both options are discarded, given that our function should not be defined at two fiferent points.

now, if you look closely at the graph you will notice that the function sketched is not defined at x=5 and x=-2.

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step-by-step explanation: