Asked by Cooper
determine the domain, range, and intercepts in these question
j(x) = 4x^2 + 7x
x^2 + 4x - 21
j(x) = 4x^2 + 7x
x^2 + 4x - 21
Answers
Answered by
oobleck
the domain of all polynomials is (-∞,∞)
For j(x), the vertex is at (-7/8, 147/16)
Since the parabola open upward, the range is [147/16,∞)
Now do the other in like wise.
For j(x), the vertex is at (-7/8, 147/16)
Since the parabola open upward, the range is [147/16,∞)
Now do the other in like wise.
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