80 Answered Questions for the topic rate of change

Rate Of Change

03/24/18

A company pays 350 dollars to a truck driver per day for food and rest and 150 for ever kilometer he drives. Write a function
It requires a linear 
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Rate Of Change Math

03/16/18

Landry has made 1,239 cups of coffee with her coffeemaker
Landry has made 1,239 cups of coffee with her coffeemaker, and she has changed the reusable filter 6 times. She needs to change the filter again and wants to know how many cups of coffee she can... more
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Rate Of Change Word Problem

03/13/18

Word problem about two mechanics
Two mechanics worked on a car. One worked 20 hours and the other worked 15 hours. Together they made $3125. What is the rate chaeged per hour by each mechanic if the sum of the two rafes was $170?
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02/11/18

Instantaneous rate of change
y=f(x)=x2 -4x   Find the instantaneous rate of change of y at x=6
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02/10/18

Rate of change in production
The total cost c(x) incurred by Aloha company in manufacturing surf boards a day given by c(x)=-10x2+300x+130 (0≤x≤15)   a. calculate c'(x) b. what is the rate of change in total cost when level... more
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Rate Of Change Algebra

12/30/17

What does 500 represent in the expression for the size of population?
The expression 500(2)x can be used to determine the size of a population that grows over a period of time. What does 500 represent in the equation?
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Rate Of Change Algebra

12/30/17

What does 1.10 represent in the equation of population?
The population of a city after x years us modeled by the equation y=20000(1.10)x . What does 1.10 represent in the equation?
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Rate Of Change Calculus Help On Homework

11/12/17

Average rates of change question
A shopkeeper calculates that for each reduction of $1 in the price of a $50 pair of jeans, another customer will buy a pair. Show that if 10 customers will buy the jeans at full price, sales... more
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Rate Of Change

10/10/17

Find the average rate of change of the function on the interval specified. g(x) = 7x3 − 3 on [−3, 3]
I need help with this math homework.
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Rate Of Change Math Algebra Functions

10/08/17

Rate of Change
Find the average rate of change of f(x)=3/x+1 on the interval [x,x+h]. Simplify your answer.
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Rate Of Change Convert Units

10/02/17

Tony can pick 20 bushels of apples in an 8 hour work day what is his rate of bushels per hour?
Tony can pick 20 bushels of apples in an 8 hour work day what is his rate of bushels per hour?
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Rate Of Change

08/26/17

Average rate of change
Definition: The average rate of change of a function f(x)f from x=a to x=b is the slope of the line which passes through (a,f(a) and (b,f(b)). Consider the function f(x)=x^2+6 and find the... more
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07/30/17

Related Rates
The height h of an equilateral triangle is increasing at a rate of 3cm/min. How fast is the area changing when h is 5 cm?
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Rate Of Change Population

07/28/17

According to the world population....?
According to the US Census, the world population Upper P, in billions, was approximatelyUpper P=6.7 e^0.011 twhere t is in years since January 1, 2007. At what rate was the world’s population... more
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Rate Of Change Math Algebra 2 Math Help

06/30/17

Given an exponential function for compounding interest, A(x) = P(.91)x, what is the rate of change?
There are four possible answers to this problem that were given to me: A -0.09% B -9% C .91% D 91%   Thank you so much in advance. If you could please explain how you got your answer that... more
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Rate Of Change

06/13/17

Applying Rates of Change
Marco rides his bike home from the library. After 12 minutes, Marco is 2 miles from home. After 18 minutes, he is 1 mile from home. What is the total distance, in miles, of the bike ride?
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Rate Of Change Math Word Problem

06/13/17

Applying Rate of Change
A turtle begins to cross a path. After 3 minutes, the turtle is 2.5 feet from the other edge of the path. After 5 minutes, the turtle is 1.5 feet from the other edge of the path. What is the total... more
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Rate Of Change

05/14/17

Find the rate of change of f(x)=2x^2+2
Rate of change 
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02/17/17

Exponential rate of growth/decay?
A study is done on the population of a certain fish species in a lake. Suppose that the population size P(t) after t years is given by the following exponential function. P(t)= 280(0.81)^t. What... more
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Rate Of Change College Algebra

02/08/17

Find the average rate of change
Find the average rate of change of the function from x = 3 to x = 6. f(x) = 10x2 + x
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Rate Of Change

01/25/17

Rate of change
Identify the rate of change (slope) and the vertical intercept   f(x) = 8 − 9x   if y = −15   1)Slope=??   2)Vertical intercept (x, y) =??
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Rate Of Change

12/20/16

rate of change
Jessa is given the points (4, -1) and (-2, 3). She needs to find the rate of change between these two points.
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Rate Of Change Math Calculus Derivatives

10/07/16

How fast is the distance from the particle to the origin changing at this instant?
the particle is moving along the curve y=sqrtx. As the particle passes through the point(4,2) its x-coordinate increases at a rate of 3cm/s.  How fast is the distance from the particle to the... more
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Rate Of Change

08/13/16

Rate of Change
A viscous liquid is poured onto a flat surface. It forms a circular patch which grows at a steady rate of 4cm^2/s. Find, in terms of pi.    (a) The radius of the patch 16 seconds after pouring... more
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Rate Of Change

05/31/16

Carla is renting a canoe. It cost $80 for 2 hours and $110 for 4 hours. What is the rate of change for this situation?
I need help on this question.
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