Given the Function $h(r)=\left\{\begin{array}{cc}1-\sin (\pi r / 2) & -1 \leq r \leq 1 \\0 & r<-1, r>1\end{array}\right.$

question 4

True/False

Given the function $h(r)=\left\{\begin{array}{cc}1-\sin (\pi r / 2) & -1 \leq r \leq 1 \\0 & r<-1, r>1\end{array}\right.$ .Is $h(r)$
differentiable at r = -1?

---

Definitions:

Compounded Quarterly

A technique for computing interest in which the interest is compounded to the principal balance quarterly.

Deposits

Deposits refer to the action of placing money into a bank or financial account or the sum of money placed.

Compounded Quarterly

A method of calculating interest where the interest is added to the principal amount four times a year.

Present Value

The now value of a future cash sum or chain of cash flows, with a specified rate of return.