Decide if the given equation is a solution of the given differential equation.y" + 4y = 10ex, y = -7 sin 3x - 8 cos 3x + 2ex
A. Yes
B. No
Answer: B
Mathematics
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Graph the equation.
?
?
A. ?
B. ?
C. 
D. ?
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(7
)(4
)
A. 280
B. 2800
C. 280
D. 28
Mathematics
Verify the identity.tan 2x = 
What will be an ideal response?
Mathematics
Solve the problem. A function that might describe the entire Laffer curve is 
where y is the government revenue in hundreds of thousands of dollars from a tax of x percent, with the function valid for 
Find the revenue from a tax rate of 60%. Round your answer to the nearest billion.
A. $768 billion B. $738 billion C. $668 billion D. $793 billion
Mathematics