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State the LH, RH, x, and y-intercept, plot graph, find the extra points

F(x) = 3x^3 - 15^2 + 18x
F(x) = -4x^3 + 4x^2 + 15x
F(x) = -5x^2 - x^3
F(x) = -48x^2 + 3x^4

1 Answer

4 votes

The graphs:

1. F(x) = 3x^3 - 15x^2 + 18x

Extra points: (1, 6), (2, 12), (4, 24), (6, 54), (7, 81), (8, 108), (9, 135)

2. F(x) = -4x^3 + 4x^2 + 15x

Extra points: (2, 10), (3, 21), (4, 32), (5, 35), (6, 24), (7, -7), (8, -64), (9, -153)

3. F(x) = -5x^2 - x^3

Extra points: (1, -6), (2, -17), (4, -69), (6, -171), (7, -238), (8, -295), (9, -342)

4. F(x) = -48x^2 + 3x^4

Extra points: (1, -45), (2, -24), (3, -9), (4, 0), (5, -9), (6, -24), (7, -45), (8, -72), (9, -105)

To find the LH, RH, x, and y-intercepts, we need to plot the graphs of the given functions. Here are the graphs:

F(x) = 3x^3 - 15x^2 + 18x

Graph of F(x) = 3x^3 - 15x^2 + 18x

LH intercept: None

RH intercept: None

x-intercept: (0, 0), (5, 0), (3, 0)

y-intercept: (0, 0)

Extra points: (1, 6), (2, 12), (4, 24), (6, 54), (7, 81), (8, 108), (9, 135)

F(x) = -4x^3 + 4x^2 + 15x

Graph of F(x) = -4x^3 + 4x^2 + 15x

LH intercept: None

RH intercept: None

x-intercept: (0, 0), (1.5, 0), (-1, 0)

y-intercept: (0, 0)

Extra points: (2, 10), (3, 21), (4, 32), (5, 35), (6, 24), (7, -7), (8, -64), (9, -153)

F(x) = -5x^2 - x^3

Graph of F(x) = -5x^2 - x^3

LH intercept: None

RH intercept: None

x-intercept: (0, 0), (-5, 0), (-3, 0)

y-intercept: (0, 0)

Extra points: (1, -6), (2, -17), (4, -69), (6, -171), (7, -238), (8, -295), (9, -342)

F(x) = -48x^2 + 3x^4

Graph of F(x) = -48x^2 + 3x^4

LH intercept: None

RH intercept: None

x-intercept: (0, 0), (2sqrt(2), 0), (-2sqrt(2), 0)

y-intercept: (0, 0)

Extra points: (1, -45), (2, -24), (3, -9), (4, 0), (5, -9), (6, -24), (7, -45), (8, -72), (9, -105)

State the LH, RH, x, and y-intercept, plot graph, find the extra points F(x) = 3x-example-1
User Hagello
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