Combine and simplify, if possible.
- 7
+ 2
A. -37
B. -5
C. -37
D. -5
Answer: A
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = -14t + 8, s(0) = 11
A. s = - 7t2 + 8t + 11 B. s = 7t2 + 8t - 11 C. s = - 7t2 + 8t - 11 D. s = -14t2 + 8t + 11
Solve the problem.When an alternating current passes through a series RLC circuit, the voltage and current are out of phase by angle ?. Here ? = tan-1[(XL - XC)/R], where XL and XC are the reactances of the inductor and capacitor, respectively, and R is the resistance. Find d?/dXL for constant XC and R.
A. 
B. 
C. 
D. 
Find the slope of the line satisfying the given conditions.through (7, -7) and (6, 9)
A. 16
B. - 
C. 
D. - 16
Find the second-order partial derivative.Find 
when z = ln ?2x + 9y?.
A. 
B. 
C. 
D. 