Simplify.1 + 
- 
2 + 
3
A. 
B. 1
C. 1
D. 1
Answer: C
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Use the vectors u, v, w, and z head to tail as needed to sketch the indicated vector. 
3w 
A. 
B. 
C. 
D. 
Use Newton's method to approximate all the intersection points of the pair of curves. Some preliminary graphing or analysis may help in choosing good initial approximations. Round to six decimal places.y = x3 - 2x2 and y = x2 - 1
A. x ? -0.683589, 0.854704, 2.878275 B. x ? -0.532089, 0.652704, 2.879385 C. x ? -0.279589, 0.651594, 2.679385 D. x ? -0.533199, 0.905204, 3.079385
Find the y- and x-intercepts for the equation. Then graph the equation.3x + 4y = 16 
?
A. (0, 4), 
B. (0, 4), 
C. 
, 
D. (0, -4), 
Solve the triangle.a = 60, b = 8, C = 120°
A. c = 70.17, A = 51.8°, B = 8.2° B. c = 64.37, A = 53.8°, B = 6.2° C. c = 67.27, A = 55.8°, B = 4.2° D. no triangle