Solve the compound inequality. Express the solution using interval notation. Graph the solution set.x ? 5 and x ? 4
A. [4, ?)
B. [4, 5]
C. (-?, 4]
D. (-?, 4] ? [5, ?)
Answer: C
Mathematics
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Find the magnitude.Let u = . Find the magnitude (length) of the vector: -4u.
A. 100
B. -20
C. 20
D. -20
Mathematics
Evaluate.Evaluate (-x)0 for x = -8.
A. 8 B. 0 C. -1 D. 1
Mathematics
Find all values of ? in [-4?, 4?] satisfying each of the following equations. tan ? = -1
A. ? = - , -
,
,
B. ? = - , -
, -
, -
,
,
,
,
C. ? = - , -
, -
, -
,
,
,
,
D. ? = - , -
,
,
Mathematics
Find the common ratio for the geometric sequence.4, -12, 36, -108, 324, . . .
A. 3
B. -
C. -3
D. -16
Mathematics