If Logx (1 / 8) = - 3 / 2, then x is equal to
a) – 4 b) 4 c) 1 / 4 d) 10
20 % of 2 is equal to
a) 20 b) 4 c) 0.4 d) 0.04
If Log 4 (x) = 12, then log 2 (x / 4) is equal to
a) 11 b) 48 c) -12 d) 22
The graphs of the two linear equations a x + b y = c and b x - a y = c, where a, b and c are all not equal to zero,
a) are parallel b) intersect at one point
c) intersect at two points d) perpendicular
The period of 2 sin x cos x is
a) 4 π 2 b) 2 π c) 4 π d) π
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