Find intervals on which the graph of y=x4 - 4x3-18x2 + 7 is concave up and intervals on which it is concave down. (Enter your answers using interval notation. If an answer does not exist, enter DNE.) concave up concave down Find the points of inflection. (Order your answers from smallest to largest x, then from smallest to largest y. If an answer does not exist, enter DNE.) smaller x-value (x, y) = larger x-value (x, y) = Viewing Saved Work Revert to Last Response Submit Answer

Q: Find the equation of the circle that passes through the intersections of the circles x² + y²2 - 6x +…

A: The circle passes through the intersection of  S1=x2+y2-6x+4=0S2=x2+y2-2=0 The intersection of the…

Q: Which graph indicates that y is directly proportional to z? B 1V

A: If y is directly proportional to x then

Q: Match each graph with its x-intercepts. a. (0, 0), (4, 0) b. (0, – 3), (0,0), (0, – 5) c. (– 3, 0),…

A: Graph 1 has X intercept at 0,-3,-5 . So, it has points = (-3,0),(0,0),(-5,0)  So, options c is…

Q: y=x²- 2x- 3 241 Ay 4- 2. -21 69 4. 2. 0,

A: The given function is: y=x2-2x-3

Q: Find an equation to model the vertical motion of the tip of a second hand on a clock, if the second…

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Q: The point F in the graph has the coordinates ( 17 9 ♦ ).

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Q: You are in a room 30 feet long with a heater at one end. In the morning the room is 65°F. You turn…

A: Given Information:In a room of feet long with a heater at one end.In the morning, the room is…

Q: (-4,8)

A: