Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. -(1 + 
) ?
B. - 
?
C. - 
?
D. - 
?
Answer: C
Mathematics
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Evaluate the sum.
4k
A. -88 B. -8 C. 88 D. 8
Mathematics
Write the satement in symbols. Let x represent the unknown number.One-half a number, minus ten, plus two times the number.
A. 
x - 10 + 2x
B. 
x - 8
C. 
x - 5
D. 
x - 10
Mathematics
Divide.
A. 40
B. -50
C. - 
D. -40
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.x2 - 12x - 5 = 0
A. {12 + 
, 12 - 
}
B. {-6 + 
, -6 - 
}
C. {6 + 
, 6 - 
}
D. {6 + 
, 6 - 
}
Mathematics