Evaluate the second derivative of the function for the given value of x.f(x) = (x2 - 3x + 2)(2x - 6), x = 0
A. -24
B. 0
C. 22
D. -12
Answer: A
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 2 for r(t) = (4 - 2t2)i + (10t + 2)j - e-2tk
A. v(2) = 8i + 10j + 2e-4k B. v(2) = -8i + 10j - 2e-4k C. v(2) = -8i + 10j + 2e-4k D. v(2) = -4i +10j + 2e-4k
Mathematics
Divide.
A. +
i
B. +
i
C. -
i
D. -
i
Mathematics
Solve the problem.It costs $42 per hour plus a flat fee of $23 for a plumber to make a house call. Find the number of hours a plumber worked if the total cost was $233.
A. 5 B. 17 C. 16 D. 4
Mathematics
Write the two equations in slope-intercept form and then determine how many solutions the system has. 4x - 5y = 216x - 20y = 8
A. None B. One C. Infinite number
Mathematics