Determine whether the two given lines are perpendicular.y = 8xx = -7
A. Yes
B. No
Answer: B
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Replace the ? with < or >.0.93 ? 0.99
A. < B. = C. >
Determine whether the statement is a self-contradiction, an implication, a tautology (that is not also an implication), or none of these.p ? q
A. Tautology B. Self-contradiction C. Implication D. None of these
Find those values of x for which the given function is increasing and those values of x for which it is decreasing.y = x4 - 8
A. Increasing for -2 < x < 2, decreasing for x < -2, x > 2 B. Increasing for -2 < x < 0, x > 2, decreasing for x < -2, 0 < x < 2 C. Increasing for x < -2, x > 2, decreasing for -2 < x < 2 D. Increasing for x < -2, 0 < x < 2, decreasing for -2 < x < 0, x > 2
Change the given polar coordinates (r, ?) to Cartesian coordinates (x, y).
A. (-8, -8
)
B. (8, -8
)
C. (-8
, -8)
D. (8
, -8)