10:01 Find the maximum product the first number and the cube of the second number if sum of the numbers is 8. O 364 O 436 634 643 At the maximum point of y = f(x) The curve is concave upward the curve is concave downward O y" is positive O y" is zero Which of the following is an implicit function? O y = [( x12) +1] / 2 O y = log x + In x13 x cos y y cos x = 1 ! X = ( (y^2) + 3)/ 2