LC Video rents a game machine for $10 and video games for $3 each. Big Vid rents
a game machine for $7 and video games
for $4 each
a) Write a linear equation to represent the
total cost of renting a game machine
and some video games from LC Video.
b) Write a linear equation to represent the
total cost of renting a game machine
and some video games from Big Vid.
c) Find the point of intersection of the
two lines from parts a) and b).
d) Explain what the point of intersection
represents in this context.

Which value is not a solution of 8x^3 – 1 = 0

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)

What function has a range {yly< 5}? question on picture above^