Graph the inequality on a number line. Then write the solution using interval notation.-4.5 ? x
A. (-4.5, ?)
B. (-?, -4.5]
C. [-4.5, ?)
D. (?, -4.5)
Answer: C
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Factor the trigonometric expression.16 csc2? + 24 csc ? + 9
A. (4 csc ? - 3)2 B. (4 csc ? + 3)2 C. (16 csc ? + 1)(csc ? + 9) D. (4 csc2? + 3)(4? - 3)
Solve the problem.The electric current i (in A) as a function of the time t (in s) for a certain circuit is given by 
Find the average value of the current with respect to time for the first 5.0 s.
A. 32 A B. 12 A C. 58 A D. 16 A
Find all real solutions to the equation.
+ 
= -1
A. 
B. {0}
C. {5}
D. ?
Solve the problem.Two boats leave a dock at the same time. One boat is headed directly east at a constant speed of 35 knots (nautical miles per hour), and the other is headed directly south at a constant speed of 22 knots. Express the distance d between the boats as a function of the time t.
Fill in the blank(s) with the appropriate word(s).