Evaluate the expression.
|7 - 8|
A. 1
B. 15
C. 56
D. -1
E. -15
Answer: A
Mathematics
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Evaluate the integral in terms of natural logarithms.
A. ln 11
B. 16 ln (2
+ 3)
C. 4 ln (2
+ 3)
D. 4 ln (2
+ 
)
Mathematics
Solve the problem.Suppose that the velocity of a falling body is v = ks2 (k a constant) at the instant the body has fallen s meters from its starting point. Find the body's acceleration as a function of s.
A. a = 2ks B. a = 2ks2 C. a = 2k2s3 D. a = 2ks3
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Write the equation of the axis of symmetry.f(x) = x2 - 2x + 4
A. x = -1 B. x = 0 C. x = 3 D. x = 1
Mathematics
Simplify. Write your answer with positive exponents only.(a-5 + b-3)-2
A. a10 + b6
B. 
2
C. 
2
D. 
2
Mathematics