Let f(x, y) = (ln(x + y), cos(x − y)). Calculate the matrix of partial derivatives, Df.

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

52 cm radius = diameter = area = circumference = circumfer