Rewrite the expression in terms of exponentials and simplify the results. ln (cosh 10x - sinh 10x)
A. -10x
B. -10
C. ln (e10x - e-10x)
D. -20x
Answer: A
Mathematics
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Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 12, v(0) = 17, s(0) = 15
A. s = 6t2 + 17t + 15 B. s = 6t2 + 17t C. s = -6t2 - 17t + 15 D. s = 12t2 + 17t + 15
Mathematics
Determine whether the function is one-to-one.f(x) = x3 - 7
A. One-to-one B. Not one-to-one
Mathematics
Find the sum of the sequence.
A. -22 B. -1,914 C. 126 D. -126
Mathematics
Solve the system by elimination. -3x + 5y = 1-9x + 15y = 3
A. {(-3, 5)} B. {(5, -3)} C. {(x, y)|-3x + 5y = 1} D. ?
Mathematics