The population of the wallingfried neighborhood has been growing steadily since 1981. in 1985, the population was 28000 people. in 1995, it was 38000 people. find an equation in the form y = m x + b , where x is the number of years past 1981 and y is the population of wallingfried.

Find the value of x for which the lines are parallel.

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)

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k