Graph the function.A rotating beacon is 10 m from a straight wall. The length L of the light beam is given by 
. Sketch the graph of L as a function of t for 
. Show the portion of the graph which demonstrates meaningful values. Label significant points on the horizontal axis.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Simplify and add or subtract wherever possible.
+ 4
+ 6
A. -26
B. -98
C. 90
D. -90
Mathematics
Perform the indicated operations and express the result in the requested form.
; express in polar form
A. 
B. 
C. 
D. 
Mathematics
Solve the quadratic equation by factoring.x(5x + 18) = 8
A. x = 0, 
B. x = 0, - 
C. x = 
, -4
D. x = 
, 4
Mathematics
The graph of the function follows. Choose the graph of y = f(|x|).
 figures 4.png)
 multiple choice.png)
Mathematics