Write the compound statement in symbols. Then construct a truth table for the symbolicstatement.Let r = "The food is good," p = "I eat too much,"q = "I'll exercise."If I exercise, then I won't eat too much.

A. q ? ~p

TTF
TFT
FTT
F F   T  

B. ~(p ? q)

TTT
TFT
FTF
F F   F  

C. q ? ~p

TTT
TFF
FTT
F F   F  

D. ~(p ? q)

TTF
TFT
FTF
F F   F  


Answer: A

Mathematics

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Find the unit tangent vector T and the principal unit normal vector N. r(t) = (cosh t)i + (sinh t)j + tk 

A. T = (tanh t)i  + j  + (sech t)k; N = (sech t)i  - (tanh t)k 
B. T = -  (tanh t sech t)i  + j  + (sech t)k; N = (-sech t)i  - (tanh t)k 
C. T = (tanh t sech t)i  + j  + (sech t)k; N = (sech2 t)i  - (sinh t)k 
D. T = - (tanh t)i  + j  + (sech t)k; N = (-sech t)i  - (sinh t)k 

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Provide an appropriate response.Write the steps you would use to solve this equation: 3(x - 1) + 5x = -9x.

What will be an ideal response?

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A. 9
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C.
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