8. Spaceship model kits originally cost d dollars online. You buy cach kit on sale for 30% of the original price, plus a shipping fee of $3.50 per kit. After
assembly, you sell each model online for (2.50 + 5) dollars. What is your
profit on each model spaceship sold?
Din Ideas Mathi Modeling Real Life G

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

What is the upper quartile in the box plot?

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)