Suponha que o números de carteiros necessários para distribuir, em cada dia, as
correspondências de um bairro seja dado por f(x) =
x
x
500 2
22

, em que x é o número de residências e
f(x) é o número de carteiros. Sabendo que foram necessários 10 carteiros para distribuir, em um dia,
estas correspondências, encontre o número de residências desse bairro que receberam
correspondências nesse dia.

Which of the following describes the symmetry of the graph of y = x3?

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)

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit