Give an appropriate answer.Let
f(x) = 4. Find
(-2)f(x).
A. -2
B. 16
C. -8
D. 4
Answer: B
Mathematics
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Determine if the given function y = f(x) is a solution of the accompanying differential equation.Differential equation: y' = e- 5x - 5yInitial condition: y(- 5) = 0Solution candidate: y = (x + 5)e- 5x
A. No B. Yes
Mathematics
Convert the units.159 mg = 
g
A. 15,900 g B. 159,000 g C. 1.59 g D. 0.159 g
Mathematics
Match the function with its graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Write the reciprocal of the number.
A. 15
B. -15
C. -1
D. 
Mathematics