Online Access Free 8007 Practice Test

Suppose that f(x) and g(x,y) are functions. What is the partial derivative of f(g(x,y)) with respect to y?

• A.f(g(x,y)) dg/dy
• B.f(dg/dy)
• C.f'(g(x,y)) dg/dy
• D.f'(g(x,y))

Let A be a square matrix and denote its determinant by x. Then the determinant of A transposed is:

• A.x -1
• B.x
• C.ln(x)
• D.-x

The natural logarithm of x is:

• A.log(e)
• B.always greater than x, for x>0
• C.the inverse function of exp(x)
• D.46

Bond convexity is closely related to ...

• A.The derivative of the bond's present value with respect to yield
• B.The second derivative of the bond's present value with respect to yield
• C.The integral of the bond's present value with respect to yield
• D.The sensitivity of the bond's present value with respect to yield

Which of the following statements is not correct?

• A.A function is defined by its domain together with its action.
• B.Every linear function is also a quadratic function.
• C.A function is a rule that assigns to every value x at least one value of y.
• D.For finite and small domains, the action of a function may be specified by a list.