Solve the differential equation.
+ 9
+ 20y = 0
A. y = c1e5x + c2e-4x
B. y = c1e-5x + c2e4x
C. y = c1e5x + c2e4x
D. y = c1e-5x + c2e-4x
Answer: D
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The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.-6 + (-14) + 4
A. -16 B. -4 C. 24 D. 12
Solve the problem. Write all linear equations in slope-intercept form.The amount of time t it takes a flame to go out in a closed container is a linear function of the volume of the container x. A flame in 798 mL container takes 14 seconds to go out and a flame in a 1344 mL container takes 27 seconds. Write a linear function that relates t to x.
A. t = 42x - 5
B. t = 
x
C. t = 
x - 5
D. t =
x - 
Rewrite as an expression using only positive exponents.
A. t11 B. t5 C. t-5 D. t-11
Calculate the derivative.
?
?
A. 
B. 
C. 
D. 
E. 