Evaluate the integral using the given substitution.
dx, u = 2x2
A. sin(2x2) + C
B. 
sin (2x2) + C
C. 
sin (2x2) + C
D. 
sin (u) + C
Answer: B
Mathematics
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A. 2.042 B. 20.42 C. 204.2 D. 20,420
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Evaluate the expression. Do not use a calculator.5!
A. 5040 B. 24 C. 720 D. 120
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Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = x4 - 6x3 - 3x2 + 54x - 54
A. {0, -3, 3 + 
, 3 - 
}
B. {3, -3, -3 + 
, -3 - 
}
C. {0, 3, 3 + 
, 3 - 
}
D. {3, -3, 3 + 
, 3 - 
}
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Solve.A high school graduating class is made up of 561 students. There are 101 more girls than boys. How many boys are in the class?
A. 101 boys B. 230 boys C. 331 boys D. 561 boys
Mathematics