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GRAPHS: Sketch the following trig function indicatng range and period T= 2π/freq
1) y=-3cos(3x)
2) y= 2sin(1/2x)
3) y= 3-2sin(2x)
4) y= 2.5sin(πx)
B. Find and show work for each function: (a) GRAPH, including y-intercept and roots, (b) Domain and range:
1) F(x) = x2-2x-8
(Find completed square form first.)
Dr
Rf
2) g(x) = 2x+3 -4
Dg
Rg
3) h(x)= 3+1/x+2
Dh
Rh
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