The following linear function represents the cost of a home printer plus ink cartridges where x represents the number of ink cartridges purchased and y represents the total cost. y=25x+115
How much will the purchaser spend buying the printer and 6 ink cartridges?

What point is the projection of q on a) r b) s c) t

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 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)

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54