A geometric transformation is described algebraically as shown below. (x, y) - (3x, 3y)
Which of these best describes this transformation?
O a translation 3 units down and 3 units to the left
O a 180° degree rotation centered at the point (3, 3)
O a translation 3 units up and 3 units to the right
O a dilation with scale factor 3 centered at the origin

Find dy/dx using implicit differentiation ln(20+e^xy)=y

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Select the number of ways in which a line and a circle can intersect