2. The effective continuous rate of a certain account is known to be rc. If the account were compounded every week instead, what APR r would you need to achieve the same growth in the account? A. r=52erc/52 B. r=erc1 C. r=52(erc/521) 52er1 D. r=52(erc1)1/52 3. Which of the following vectors cannot be written as a linear combination of the vectors a01 and 012 ? A. 327 C. 246 B. 236 D. 123