A ball is thrown into the air by a baby alien on a planet in the system of Alpha Centauri with a velocity of 50 ft/s. Its height in feet after t seconds is given by y=50t−28t^2 .

A. Find the average velocity for the time period beginning when t=2 and lasting

.01 s:

.005 s:

.002 s:

.001 s:

NOTE: For the above answers, you may have to enter 6 or 7 significant digits if you are using a calculator.

Estimate the instanteneous velocity when t=2.

b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation:

answer: it is a.,b.,d.

step-by-step explanation: