Use interval notation to describe the interval of real numbers.-6 ? x < -2
A. (-6 ,-2]
B. (-6, -2)
C. [-6, -2]
D. [-6, -2)
Answer: D
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Show that the function has exactly one zero in the given interval.f(x) = x3 + + 1, (-?, 0).
What will be an ideal response?
Find the transverse axis, vertices, and foci of the hyperbola. -
= 1
A. transverse axis is x-axis
vertices at (-10, 0) and (10, 0)
foci at (- 2, 0) and (2
, 0)
B. transverse axis is x-axis
vertices at (-8, 0) and (8, 0)
foci at (-10, 0) and (10, 0)
C. transverse axis is y-axis
vertices at (0, -8) and (0, 8)
foci at (0, - 2) and (0, 2
)
D. transverse axis is x-axis
vertices at (-8, 0) and (8, 0)
foci at (- 2, 0) and (2
, 0)
Write in exponential form.x ? x ? x ? x
A. 4 B. 4(x) C. 4x D. x4
Express the distance between the given numbers using absolute value. Then find the distance by evaluating the absolute value expression.3.3 and 21.6
A. |3.3 - 21.6| = 18.3 B. |21.6 - 3.3| = -18.3 C. |-3.3 + 21.6| = -24.9 D. |3.3 + 21.6| = 24.9