Graphs sketch the following trig function indicatng range

Question

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.)

D_r

R_f

2) g(x) = 2^x+3 -4

D_g

R_g

3) h(x)= 3+1/x+2

D_h

R_h