Homework 2.1 Score: 0/7 0/7 answered Question 1 > A ball is thrown into the air...

Transcribed Image Text:

Homework 2.1 Score: 0/7 0/7 answered Question 1 > A ball is thrown into the air by a baby alien on a planet in the system of Alpha Centauri with a velocity of 43 ft/s. Its height in feet after t seconds is given by y = 43t 15t. 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. Question Help: Video Submit Question Homework 2.1 Score: 0/7 0/7 answered Question 2 Objective [1.3] 8 7.5 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 < > 1.5 1 0.5 -1 -0.5 0.5 1.5 2 2.5 3 3.5 4 -0.5 -1 Based on the graph above, estimate to (+/- 0.2) the average rate of change from x = (try to pick values from the graph (+/- 0.1) in order to meet the requested tolerance) 0 to x = 2 You can just type in the arithmetic you might do on the calculator. The question will do the actual computation!, press preview Homework 2.1 Score: 0/7 0/7 answered Question 3 find the average rate of change of f(x) on the interval [10, 10+ h]. Your Given f(x) = 1 x+12 answer will be an expression involving h. Question Help: Video Submit Question Homework 2.1 Score: 0/7 0/7 answered Question 4 > For each value below, enter the number correct to four decimal places. Suppose an arrow is shot upward on the moon with a velocity of 42 m/s, then its height in meters after t seconds is given by h(t) = 42t 0.83. Find the average velocity over the given time intervals. [4, 5]: [4, 4.5]: [4, 4.1]: [4, 4.01]: [4, 4.001]: Question Help: Video Submit Question Homework 2.1 Score: 0/7 0/7 answered Question 5 < > The graph of f(x) is shown below. Estimate and list the value of x where f(x) has a horizontal tangent. 5- 10 -9 -8 -7 -6 -5 -4 -3 -2 -1 x = Submit Question 4 3 2 2 3 4 5 8 9 10 -1 -2 -3 -4 -5+ Homework 2.1 Score: 0/7 0/7 answered Question 6 < The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year period. Year Jobs 625 680 725 1997 1998 1999 2000 2001 755 780 What is the average rate of change in the number of living wage jobs from 1997 to 1999? Jobs/Year What is the average rate of change in the number of living wage jobs from 1999 to 2001? Jobs/Year Question Help: Video Submit Question Homework 2.1 Score: 0/7 0/7 answered Question 7 > Find the average rate of change of f(x) = 3x 4 on the interval [1, t]. Your answer will be an expression involving t Question Help: Video Submit Question Homework 2.1 Score: 0/7 0/7 answered Question 1 > A ball is thrown into the air by a baby alien on a planet in the system of Alpha Centauri with a velocity of 43 ft/s. Its height in feet after t seconds is given by y = 43t 15t. 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. Question Help: Video Submit Question Homework 2.1 Score: 0/7 0/7 answered Question 2 Objective [1.3] 8 7.5 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 < > 1.5 1 0.5 -1 -0.5 0.5 1.5 2 2.5 3 3.5 4 -0.5 -1 Based on the graph above, estimate to (+/- 0.2) the average rate of change from x = (try to pick values from the graph (+/- 0.1) in order to meet the requested tolerance) 0 to x = 2 You can just type in the arithmetic you might do on the calculator. The question will do the actual computation!, press preview Homework 2.1 Score: 0/7 0/7 answered Question 3 find the average rate of change of f(x) on the interval [10, 10+ h]. Your Given f(x) = 1 x+12 answer will be an expression involving h. Question Help: Video Submit Question Homework 2.1 Score: 0/7 0/7 answered Question 4 > For each value below, enter the number correct to four decimal places. Suppose an arrow is shot upward on the moon with a velocity of 42 m/s, then its height in meters after t seconds is given by h(t) = 42t 0.83. Find the average velocity over the given time intervals. [4, 5]: [4, 4.5]: [4, 4.1]: [4, 4.01]: [4, 4.001]: Question Help: Video Submit Question Homework 2.1 Score: 0/7 0/7 answered Question 5 < > The graph of f(x) is shown below. Estimate and list the value of x where f(x) has a horizontal tangent. 5- 10 -9 -8 -7 -6 -5 -4 -3 -2 -1 x = Submit Question 4 3 2 2 3 4 5 8 9 10 -1 -2 -3 -4 -5+ Homework 2.1 Score: 0/7 0/7 answered Question 6 < The following chart shows "living wage" jobs in Rochester per 1000 working age adults over a 5 year period. Year Jobs 625 680 725 1997 1998 1999 2000 2001 755 780 What is the average rate of change in the number of living wage jobs from 1997 to 1999? Jobs/Year What is the average rate of change in the number of living wage jobs from 1999 to 2001? Jobs/Year Question Help: Video Submit Question Homework 2.1 Score: 0/7 0/7 answered Question 7 > Find the average rate of change of f(x) = 3x 4 on the interval [1, t]. Your answer will be an expression involving t Question Help: Video Submit Question