Solve the problem by integration.Under specified conditions, the time t (in min) required to form x grams of a substance during a chemical reaction is given by 
Find the equation relating t and x if x = 0 g when 
A. t = 
ln 
- 
ln 
B. t = 
ln 
+ 
ln 
C. t = 
ln 
+ 
ln 
D. t = 
ln 
- 
ln 
Answer: A
Mathematics
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Given f(x) and g(x), find the composition.f(x) = -3x - 9; g(x) = 4x2 + 5x - 2Find (g ? f)(-6).
A. 159 B. 367 C. -345 D. 79
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Use the fundamental identities to find the value of the trigonometric function.Find sin ?, given that cos ? = 
and tan ? < 0.
A. - 
B. - 
C. - 
D. -
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Use the LCD to simplify and solve.- 
x - 
= 
- 
A. 
B. 
C. 
D. 
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Provide an appropriate response.Explain in your own words how you can tell from the equation whether the branches of a hyperbola open up and down or left and right.
What will be an ideal response?
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