The graph of a function f is given. Use the graph to answer the question.For what numbers x is f(x) < 0?
A. [-10, -6), (7, 10)
B. (-6, 7)
C. (-?, -6)
D. (-6, ?)
Answer: B
Mathematics
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Add the given vectors by using the trigonometric functions and the Pythagorean theorem.A = 28, ? = 211 °B = 11, ? = 201 °
A. R = 7, ? = 208° B. R = 39, ? = 242° C. R = 39, ? = 28° D. R = 39, ? = 208°
Mathematics
Write the complex number in rectangular form.5
A. - 
+ 
i
B. 
- 
i
C. - 
+ 
i
D. 
- 
i
Mathematics
Solve the problem.How many months are there in 16 years?
A. 38 months B. 192 months C. 202 months D. 28 months
Mathematics
A card is drawn randomly from a standard 52-card deck. Find the probability of the specified event. The card is a king.
A. 
B. 
C. 
D. 
Mathematics