Please help with these math problems.

1.

The function graphed above is: Increasing on the interval(s) Decreasing on the interval(s) The function graphed above is: Concave up on the interval(s) Concave down on the interva1(s) H There is an inection point at: i 10 8 6 4 2 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 -2 The function graphed above is: Concave up on the interval(s) Concave down on the interval(s) There is an inflection point at:Given f(x) = 5x3 - 30x2 + 4x + 15 The inflection point(s) of f(x ) is/are at x = Leave your answer(s) in fraction(s). O Concave Down interval is O Concave Down interval does not exist. O Concave Up interval is O Concave Up interval does not exist.Given at) 2 202:4 + 53:3 210.132 + 43': + 6 The inflection point(s) of f (:13) isx'are at a: : Leave your answer(s) in fraction(s), separated by commas. Concave Down interval is| O Concave Down interval does not exist. Concave Up interval is' O Concave Up interval does not exist. Given f(x) = -10x4 - 46x3+ 252x2 + 7x + 4 The inflection point(s) of f(@) is/are at x = Leave your answer(s) in fraction(s), separated by commas. O Concave Down interval is O Concave Down interval does not exist. O Concave Up interval isGiven C(x) = 3x3 2 r + 9x + 18, The inflection point(s) of C(x) is/are at x = Leave your answer(s) in fraction(s), separated by commas. O Concave Down interval is O Concave Down interval does not exist. O Concave Up interval is O Concave Up interval does not exist