Given: m <1 + m < 2 = 90°, m <3+m<4= 90°, m < 2 = m <3
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The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Evaluate cos2θ for cosθ = square root of 3/2

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3