Problem #3: Consider the following statements. (i) Therange of z = 1/1_x2_y2 is [0,1]. (ii) The level curves for z = arctan(x + y) are linear. Determine which of the above statements are True (1) or False (2). So, for example, if you think that the answers, in the above order, are True,False, then you would enter '1,2' into the answer box below (without the quotes). Just Save Submit Problem #3 for Grading Problem #3 Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark: Problem #6: Consider the function f(x, y) = by sin(4x) 2x2 + 712 . Determine lim f (x, y) along the path y = x. (x, y) -(0,0) Problem #6: Enter your answer symbolically, as in these examples Just Save Submit Problem #6 for Grading Problem #6 Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark