Translate the phrase; then simplify.Find the sum of -61 and -79.
A. 140
B. -18
C. 18
D. -140
Answer: D
Mathematics
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Solve.Divide: 
A. 
+ 
i
B. 
+ 
i
C. 
- 
i
D. 
- 
i
Mathematics
Simplify.
A. 2
B. 
C. 
D. 1
Mathematics
Graph the exponential function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.If a tone is formed from the combination of two component frequencies, F1 and F2 , as is done with touch-tone phones, then the tone can be represented as 
if the intensities of the components are equal. For the two component frequencies 
and 
rewrite this expression as a product of trigonometric functions and graph the result in 
-4.0px;" /> by 
A. 2 cos(995?t) cos(995?t)
[0, .005, .001] by [-2, 2, 1]
B. 2 cos(995?t) cos(265?t)
[0, .005, .001] by [-2, 2, 1]
C. 2 cos(1990?t) cos(1990?t)
[0, .005, .001] by [-2, 2, 1]
D. 2 cos(1990?t) cos(530?t)
[0, .005, .001] by [-2, 2, 1]
Mathematics