STAT 1090 Lecture 7: Handout IV.1_Functions

4. (4,2) The error function, erf(x), is defined as t2 e-" dt. (a) Compute卦rf(-2z), (b) Compute erf'(Va)

Question 2 [2 points] 5 Find an equation in polar coordinates that has the same graph as the equation 9 x 5-5 in rectangular coordinates. Give your function in the form rf Worksheet 1

Problem #9: The graph off) is given below. 5 3 8 10 (a) f(t) can be represented using the following combination of Heaviside step functions. Enter the constants a, b, and c (in that order) into the answer box below. (b) Find the Laplace transform Fis,- rf(t) for s # 0.