The graph of the function f(x) = (x +2)(x + 6) is shown below.

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The graph of the function f(x) = (x +2)(x + 6) is shown below.

Tony B

Apr 12, 2018

The function is negative for all real values of #x# where #–6 < x < –2#.

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The graph of the function f(x) = (x +2)(x + 6) is shown below.

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Terms in this set (10)

Which function has only one x-intercept at (−6, 0)?

D) f(x) = (x + 6)(x + 6)

The graph of the function f(x) = -(x + 6)(x + 2) is shown below.

A) The function is increasing for all real values of x where x < -4.

Part of the graph of the function f(x) = (x + 4)(x - 6) is shown below. Which statements about the function are true? Select two options.

A) The vertex of the function is at (1,-25).
E) The graph is negative on the entire interval-4 < x < 6.

Which point is an x-intercept of the quadratic function f(x) = (x + 6)(x - 3)?

D) -6,0

The graph of the function f(x) = (x + 2)(x + 6) is shown below. Which statement about the function is true?

B) The function is negative for all real values of x where-6 < x < -2.

What is the equation of the quadratic function with a vertex at (2,-25) and an x-intercept at (7,0)?

D) f(x) = (x + 3)(x - 7)

The function f(x) = (x − 4)(x − 2) is shown. What is the range of the function?

D) all real numbers greater than or equal to −1

Which is the graph of f(x) = -(x + 3)(x + 1)?

B

The graph of the function f(x) = (x - 4)(x + 1) is shown below. Which statement about the function is true?

D) The function is decreasing for all real values of x where x < 1.5.

Which function has two x-intercepts, one at (0, 0) and one at (4, 0)?

A) f(x) = x(x − 4)

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The graph of the function f(x) = (x +2)(x + 6) is shown below. What is true about the domain and range of the function? The domain is all real numbers, and the range is all real numbers greater than or equal to -4.

Which is the graph of the function f/x x2 2x 3?

Summary: The graph of the function f(x) = x2 + 2x + 3 is a parabola with vertex (-1, 2).

What is the vertex of the quadratic function f/x x 6 )( x 2 )?

The vertex of the quadratic function f(x) = (x - 6)(x + 2) is (2, -16).

What is the axis of symmetry of the function f/x )= − x 9 )( x − 21 )? X − 15x − 6x 6x 15?

Summary: The axis of symmetry of the function f(x) = -(x + 9)(x - 21) is 6.