Find the derivative of the function.y = (2x2 + 8) ln(x + 2)
A. 
+ 4x ln(x + 2)
B. 4x ln(x + 2)
C. 
+ 4x ln(x + 2)
D. 
Answer: C
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A statement is made about correlation. State whether the correlation is positive or negative and whether the correlation is most likely due to coincidence, a common underlying cause, or a direct cause.People who take more vacations score higher on standardized tests.
A. Positive correlation; coincidence B. Positive correlation; direct cause C. Negative correlation; common underlying cause D. Positive correlation; common underlying cause
Factor, if possible.6x2 - 5xt - 4t2
A. (6x + t)(x - 4t) B. Prime polynomial C. (2x - t)(3x + 4t) D. (2x + t)(3x - 4t)
Solve.For modern automotive engines, horsepower (hp) is calculated as hp = 
.If an engine has a peak horsepower of 310 hp at 5200 rpm, what is the torque of the engine at this speed? (Round to the nearest whole number, if necessary.)
A. 311 lb ft B. 309 lb ft C. 313 lb ft D. 307 lb ft
Simplify the complex fraction.
A. 
B. 
C. 
D. 