Add or subtract.(x3 - 4x2 + 23x) - (6x2 - 6x + 10)
A. x3 + 10x2 - 17x - 10
B. x3 - 10x2 + 17x - 10
C. x3 - 10x2 + 29x - 10
D. x3 - 10x2 + 17x + 10
Answer: C
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Evaluate the improper integral.
A. 90 B. 120 C. 180 D. 150
Use the method of variation of parameters to solve the differential equation.D2y + 4Dy + 4y = 16
A. y = C1e2x + C2e2x + 4 B. y = C1e-2x + C2e-2x C. y = C1e-2x + C2e-2x - 4 D. y = C1e-2x + C2e-2x + 4
Translate the argument into symbolic form, then use the table below to determine whether the argument is valid or invalid. Indicate valid/invalid and identify the type of answer.VALID ARGUMENTS
INVALID ARGUMENTS
If I take a taxi, I will get to the museum faster.
? If I take a taxi, I will have more time to enjoy the paintings.
What will be an ideal response?
Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 