Solve the problem.The work W (in joules) done by a force F (in newtons) moving an object through a distance x (in meters) is given by W = 
. Find a formula for W, if F = kx and k is a constant.
A. W = 
+ C
B. W = kx2 + C
C. W = k + C
D. W = 
+ C
Answer: D
Mathematics
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Provide an appropriate response.The curves y = ax2 + b and y = 2x2 + cx have a common tangent line at the point (-1, 0). Find a, b, and c.
A. a - 2, b = 1, c = -1 B. a = 1, b = -1, c = 2 C. a = -1, b = 1, c = -2 D. a = 1, b = 0, c = 2
Mathematics
Factor the sum or difference of two cubes.x3 - 216
A. (x + 6)(x2 - 6x + 36) B. (x - 6)(x2 + 36) C. (x + 216)(x2 - 1) D. (x - 6)(x2 + 6x + 36)
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(19 + 8i) - (6 + 2i)
A. -13 + 6i B. -13 - 6i C. 13 + 6i D. 13 - 6i
Mathematics
Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 5x
Mathematics