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25 Answered Questions for the topic Calculating Average Rates Of Change

Calculating Average Rates Of Change Calculus

10/15/17

Question 1 Find the value of k such that x = 2 is a critical number of f ( x ) = 1 4 x 4 − 3 x 2 + kx .

Question 1Find the value ofksuch thatx= 2 is a critical number off(x) =14x4−3x2+kx.
Calculating Average Rates Of Change Acceleration Velocity

07/29/17

rates of change

You hit a golfball upward with your pitching wedge. The position function of the ball is s(t)=-3t^2+30t where the origin is at ground level and the positive direction is vertically up. (distance is... more
Calculating Average Rates Of Change Acceleration Derivatives

07/28/17

Rates of Change

An object is moving in a straight line from a fixed point. The displacement s(in metres) is given by s=-2t^2+28t+45, t is greater than or equal to 0, where t is in seconds.    Find t when the... more
Calculating Average Rates Of Change

09/22/16

Rates Of Change

A conical vessel with a base radius 3 cm and a vertical height of 20 cm is arranged with its vertex facing downwards. Water is being added at a constant rate of 1 cm^3/s and leaks away through a... more
Calculating Average Rates Of Change

09/16/16

Related Rates of Change

N is a fixed point on the circumference of a circle, centre O, radius 12cm. A variable point moves round the circumference with a constant speed of 4cm/s. The angle PON is denoted by θ. Find (i)... more
Calculating Average Rates Of Change Calculus Precalculus Honors

12/12/15

then f'(pie/6) =?

If f(x)=tan(2x) then f'(pie/6) =
Calculating Average Rates Of Change

07/09/15

Rates of Change

A spherical balloon is released from rest and expands as it rises.After rising for t seconds, its radius is r cm and its surface area is A cm^2,where A=4πr^2.The initial radius of a balloon is 16... more
Calculating Average Rates Of Change

07/09/15

Rates of Change

In the triangle ABC, AB=2x, AC= x+1 and ∠A =150 degrees.Show that the area of the triangle is 0.5x(x+1). If x is increasing at a rate of 2 cm s^-1,find the rate at which the area is increasing when... more
Calculating Average Rates Of Change

07/09/15

Rates of Change

The height of the cylinder is twice the radius, x cm,of its base. If x is decreasing at a rate of 0.1cm s^-1, find the rate of change of the volume of the cylinder when x=2.
Calculating Average Rates Of Change

07/08/15

Rates of Change

A cylindrical jar,of radius 3 cm, contains water to a depth of 5 cm. The water is then poured at a steady rate into an inverted container with its axis vertical. After t seconds, the depth of the... more
Calculating Average Rates Of Change Calculus Derivatives

07/07/15

What is The actual speed (along the road) of the red car for the measurement feet per second?

A police car is located 30 feet to the side of a straight road.A red car is driving along the road in the direction of the police car and is 210 feet up the road from the location of the police... more
Calculating Average Rates Of Change Calculus Temperature

10/10/14

Intro To Calc Problem With Temperature

A potato is put in a hot oven at t=0. After t minutes, the temperatures is T(t)=350-280e-.2t degrees. What is the initial temperature of the potato, and what is the temperature of the... more
Calculating Average Rates Of Change

05/21/14

What grade do I need to score on my Chemistry final to pass with a B?

I currently have 733/1100 points in my Chem class. (NOTE THIS DOESN'T INCLUDE FINAL) (76.7% according to teacher's gradebook) Here's his grading system: 90%= A 75%=B 60%=C 50%=D The final is out of... more
Calculating Average Rates Of Change Algebre Functions

02/15/13

find average rate of change of f(x)=2x from x[1]=0 to x[2]=5

find average rate of change for this function f(x)=2x from x[1]=0 to x[2]=5
Calculating Average Rates Of Change Percentage

12/11/12

Can you explain to me how to find the percent of change? And help me with this problem?

On Monday,my math class learned how to find the percent of change, and I was absent on Monday. And we did some problems in class today, and I still don't understand it. Can you help me to... more
Calculating Average Rates Of Change

10/29/12

what is the answer to this ?

scott began printing his history paper at 3:15. at 3:20,he found that it had printed 12 of his 15 pages.
Calculating Average Rates Of Change

10/29/12

what is the answer to this ?

the concession stand at the amusement park begins the day with 500 popcorn containers. when the park closes, 12 hours later,an inventory shows there are only 44 containers left.
Calculating Average Rates Of Change

10/29/12

what is the answer to this ?

when an amusement park opened,the counter on the turnstile at the entrance read 1278. 7 hours later,the counter read 3672.
Calculating Average Rates Of Change

10/29/12

what is the answer to this ?

at 1:00 the temperature outside registered 85 degrees.at 7:00, the temperature was 61 degrees.
Calculating Average Rates Of Change

10/29/12

what is the answer to this ?

dara works in the clothing department of a large store. when she began her shift at 4p.m.,the register showed sales of $10,550. when she clocked out at 9p.m.,the register showed sales of $40,620.
Calculating Average Rates Of Change

10/29/12

what is the answer to this ?

dixie left austin with a full tank of gas(16 gallons) and an odometer reading of 12,584 miles. upon arriving in houston, her gas tank was only half full(8 gallons) and her odometer reading was 12,792. more
Calculating Average Rates Of Change

10/29/12

what is the answer to this ?

on his 5th birthday,paul was 42 inches tall. on his 7th birthday,he was 48 inches tall.
Calculating Average Rates Of Change

10/29/12

what is the answer to this ?

mr.suarez joined a gym to lose weight.after 3 weeks of membership he weighed 189 pounds. when he had been a member for 12 weeks,he weighed only 162 pounds.
Calculating Average Rates Of Change

10/29/12

what is the answer to this ?

a lab technician is growing a bacteria sample. after 1 hour,she notesthat there are 250 bacteria in the sample. after 3 hours,she notes that there are 1000 bacteria in the sample.
Calculating Average Rates Of Change

10/29/12

what is the answer to this ?

the value of my new car after 2 years was $11,200. when the car is 6 years old,the value has dropped to $6100.

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