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 
Find a formula for W, if 
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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Multiply.9(x + 5)
A. x + 45 B. 9x + 45 C. 45x D. 9x + 5
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Factor the polynomial using the negative of the greatest common factor.-16a2b3 + 56ab
A. 8ab(-2ab2 + 7) B. -8a(2ab3 - 7b) C. -8ab(2ab2 - 7) D. -8ab(2ab2 + 7)
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Solve the inequality. Write the solution set using interval notation and graph it.x + 7 < 8 
A. (-?, 1)
B. (-?, 1]
C. (1, ?)
D. [1, ?)
Mathematics
Solve the equation using graphical methods. Round to the nearest thousandth when appropriate.
- 7 = 
- 7
A. x = 2 B. x = -2 C. x = 1 D. x = -1
Mathematics