149 Answered Questions for the topic Question

03/11/22

The length of a rectangle is five times greater than the width, w. What is the ratio of the area of the rectangle to the perimeter of the rectangle in simplest form?
The length of a rectangle is five times greater than the width, w. What is the ratio of the area of the rectangle to the perimeter of the rectangle in simplest form? A rectangular poster has an... more
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Question English Reading Help

02/25/22

TEST: “A Mystery of Heroism” Test!!!!
Hi, I need help, I'm "ok" with English. I need some help. The question is~~~"What do you think is Collins's motive for his daring act? Was it simple thirst? The reactions of his comrades? Some... more
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Question Algebra

12/14/21

Algebra question

Hello , please can someone help me with these equations , How do I sum and multiply them ? And thank you so much for helpingL + ( 3 - L ) =L × ( 3 - L ) =
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Question Math

06/01/21

Math Problem Performance Task
A High School is taking the Senior Class to Florida for their senior trip. They are covering the costs for transportation for students and teachers to travel by buses and vans.  Additional... more
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Question Math Calculus

04/07/21

Calculus 1- Question Involving Riemann Sums
Use Riemann sums and limits to find the area under the given function on the given interval. f(x) = x+1, [0,2]
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Question Math Calculus

04/06/21

Calculus 1- Question involving Riemann Sums
Use a calculator or computer to compute the left and right endpoint Riemann sums for the given function over the given interval with the specified number of equal intervals. (a) f(x) = x+1,... more
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Question Math Calculus

03/23/21

Calculus 1 - Question Concerning Optimization
A rectangle is to be inscribed in a half circle of radius 1 ft. what dimensions will give the largest area?
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Question Math Calculus

03/23/21

Calculus 1 - Optimization
1. You are to make a box without a lid from a 100 cm by 35 cm piece of cardboard. What are the dimensions that will maximize the volume? What is the maximum volume?
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Question Math Calculus

03/22/21

Calculus 1 Question concerning Concavity
Give an example showing that a function can be concave up on its entire domain and yet never achieve a minimum value.
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Question Math Calculus

03/18/21

Calculus 1- Concave up or down and inflection
Find where the following function is concave up and where it is concave down. Where are the inflection points of the function? f(x) = cos(2x)
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Question Math Calculus

03/18/21

Calculus 1- Concave up or down and inflection
Find where the following function is concave up and where it is concave down. Where are the inflection points of the functions? g(y) = tan(y)
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Question Math Calculus

03/16/21

Calculus 1- Mean Value Theorem
Use the Mean Value Theorem to prove that if h(z) is continuous on a closed interval [a, b] with h′(z) = 0 for all z ∈ (a,b), then h(x) = h(y) for any x,y ∈ [a,b].
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Question Math Calculus

03/16/21

calculus 1- Question involving Mean Value theorem
A rectangle is to be inscribed in a half circle of radius 1 ft. what dimensions will give the largest area?
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Question Math Calculus

03/16/21

calculus 1- Mean Value Theorem
In each part of this problem a value for a function f(x) at a is given, a range for the derivative of f (x) on (a, b) is given, and a possible value for f (b) is given. Assuming that f (a) is... more
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Question Math Calculus

03/16/21

Calculus 1- Mean Value theorem Question

show that the point c between a and b guaranteed by the mean value theorem is always a+b/2 for any a, b, and any quadratric function.
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Question Math Calculus

03/15/21

Calculus 1- Extreme Value of functions

A rectangle is to be inscribed in a half circle of radius 1 ft. what dimensions will give the largest area?
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Question Math Calculus

03/10/21

Calculus 1 - Related Rates problem (draining tank)
Water is draining from a right cylindrical tank at 5 l/s. The tank has a radius of 4 m and is 15 m tall. How fast is the height of the water changing when the height of the water in the tank is 7 m? more
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Question Math Calculus

03/09/21

Calculus 1- Related Rates Problem(Draining Tank)
Water is draining from a right cylindrical tank at 5 l/s. The tank has a radius of 4 m and is 15 m tall. How fast is the height of the water changing when the height of the water in the tank is 7 m? more
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Question Math Calculus

03/08/21

Calculus 1- Related Rates Problem
Water is draining from a right cylindrical tank at 5 l/s. The tank has a radius of 4 m and is 15 m tall. How fast is the height of the water changing when the height of the water in the tank is 7 m? more
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Question Math Calculus

02/23/21

calculus 1 Question Rate of Change

Let θ be an angle that is not a right angle in a right triangle. If the ratio of the length of the adjacent side to the opposite side is increasing at a rate of 1/3 s−1 when the lengths of the two... more
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Question Math Calculus

02/22/21

Implicit Differentiation Calculus 1 Question
assume that y=f(x) has an inverse on an interval around x = a and that f'(a) = 0 why does f^-1(y) not have a derivative at y = f(a)?
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Question Math Calculus

02/16/21

Calculus 1 finding Unit Vector Position
In the following r(t) is the position of an object as a function of time. Find a unit vector in the direction of travel at the given ta) r(t) = (5t + cos(t), t sin(t), e^t), t = 0
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Question Math

02/10/21

Calculus finding left and right limits at the following points
Find the left and right sided limits of the following functions at the given point. Are the functions continuous at the point? (a) f(x)=x^2+2, x=1
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Question Math Calculus

02/09/21

Calculus 1 Using Definition of derivatives

Assume that g(y) has a derivative at y = 3.5 with g′(−3.5) = −3. Using the definition of the derivative, explain why the function f (y) = g(y) − 10 has a derivative at y = 3.5 with f′(3.5)=−3.... more
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Question Math Calculus

02/04/21

Calculus 1 Question Estimating Derivatives

The following functions have derivatives at the given points. Estimate the derivative to two decimal places using a numerical technique. f (x) = x^1/3, x = 4
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