Find the solution set of the system.





a.

b.

c.

d.


c.

Mathematics

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Set the viewing rectangle of your graphing calculator to  by  to solve the problem.Find a set of parametric equations evaluated over 0 ? t ? 2? that produces the graph shown.

A.

x1 = -1 + 2cos(t),y1 = -1 + 2sin(t)
x2 = 3 + 2cos(t),y2 = -1 + 2sin(t)
x3 = 1 + 3cos(0.5t),y3 = 1 + 3sin(0.5t)

B.
x1 = -1 + 2cos(t),y1 = -1 + 2sin(t)
x2 = 5 + 2cos(t),y2 = -1 + 2sin(t)
x3 = 2 + 3cos(t),y3 = 1 + 3sin(t)

C.
x1 = -1 + 2cos(t),y1 = -1 + 2sin(t)
x2 = 5 + 2cos(t),y2 = -1 + 2sin(t)
x3 = 2 + 2cos(0.5t),y3 = 1 + 2sin(0.5t)

D.
x1 = -1 + 2cos(t),y1 = -1 + 2sin(t)
x2 = 5 + 2cos(t),y2 = -1 + 2sin(t)
x3 = 2 + 3cos(0.5t),y3 = 1 + 3sin(0.5t)

Mathematics

Find the exact value of the logarithm using logb bx = x.ln e2

A. 1 B. -2 C. 3 D. 2

Mathematics

Solve the problem.Between what two integers does the solution of log8 x = 2.11 lie?

What will be an ideal response?

Mathematics

Find the sum of the arithmetic sequence.(-6) + (-1) + 4 + 9 + ... + 39

A. 165 B. 160 C. 330 D. 170

Mathematics