During a chemical reaction, a compound changes into another compound at a rate proportional to the unchanged amount ?y. Write the differential equation for the chemical reaction model. Find the particular solution when the initial amount of the original compound is 20 grams and the amount remaining after 1 hour is 16 grams.
?
A. ?
, 
B. ?
, 
?
C. ?, 
D. ?
, 
E. ?
, 
Answer: D
Mathematics
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A. 44 + x
B. x - 44
C. 
D. 44 - x
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Find the sum or difference.4.236 + (-5.540)
A. -9.676 B. -9.776 C. -1.304 D. 23.467
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Use the given vectors to find the indicated expression.v = -3i - 5j - 3k, w = -5i + 3j - 4k, u = 4i - 5j - 2kFind u ? (v × w).
A. 55 B. 169 C. -214 D. 73
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Show that f and g are inverses of each other by verifying that f(g(x)) = x = g(f(x)).f(x) = 
; g(x) = x2
What will be an ideal response?
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