Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.cos ? = - 
, ? in quadrant II Find cos 2?.
A. - 
B. 
C. - 
D. 
Answer: C
Mathematics
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Solve the inequality.0.9(1.7 - x) + 0.7 > 3.4(x - 0.3) (Round to two decimal places if necessary)
A. x < 1.30 B. x > 1.30 C. x < 0.76 D. x > 0.76
Mathematics
Choose the graph that matches the function. f(x) = 1
A. 
B. 
C. 
D. 
Mathematics
Find the component form of the indicated vector.Let u = 
. Find 9u.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the relation is a function.{(-1, -6), (2, -5), (4, 9), (8, -5), (10, 3)}
A. Function B. Not a function
Mathematics