Simplify. Assume that all variables represent positive real numbers.6
- 2
- 
A. 3x
B. 4x
C. 17x
D. 18x
Answer: C
Mathematics
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Find the equation for the plane tangent to the parametrized surface S at the point P.S is the parabolic cylinder r(x, z) = xi + 8x2j + zk; P is the point corresponding to 
.
What will be an ideal response?
Mathematics
Evaluate the integral.
A. 10 ln 3 B. -20 ln 3 C. 20 ln 3 D. -10 ln 3
Mathematics
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 = 18 cos 2t, v(0) = 3, s(0) = 11
A. s = - 
cos 2t + 3t + 11
B. s = 
cos 2t - 3t + 11
C. s = 
sin 2t + 3t + 11
D. s = - 
sin 2t + 3t + 11
Mathematics
Estimate. Choose a rounding digit that gives one or two nonzero digits.4.5 × 2.63
A. 8 B. 1.5 C. 0.8 D. 15
Mathematics