09/11/17

math help please:
Find and simplify f(-x) - f(x) for the given function f.\quad\quad\quad f(x) = 2 x^3 - 8 x^2 + 4 x - 13f(-x) - f(x) =
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09/10/17

What is the maximum number of miles that he can drive the car?
Zachary can spend no more than $88 per day to rent a car. A car rents for $50 per day plus $0.20 per mile. What is the maximum number of miles that he can drive the car?
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09/10/17

the equation x^10-10x^2+5=0 has a root in the interval (0,2) true or false
the equation x^10-10x^2+5=0 has a root in the interval (0,2) true or false 
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09/10/17

How do I prove that ax+by+cx=dx+ey?
x,y,z ∈ ℝ3   and  x+y+3z=0   How do I prove ax+by+cz=dx+ey, if d and e are real numbers chosen to fit the equation? Thank you very much if you can help me! 
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09/10/17

Let f(x)=sqrt(x+1);Compute T1,T2 at 0. And by that I mean Taylor . I know how to compute a Taylor polynomial for f(x,y) but how do I compute for f(x)?
Let f(x)=sqrt(x+1); Compute T1,T2 at 0. And by that I mean Taylor . I know how to compute a Taylor polynomial for f(x,y) but how do I compute for f(x)?   Please help I have an exam tomorrow :( ... more
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09/09/17

Polynomial division application question
The remainder when (3x3 - 6x2 + ax - 1) is divided by x-3 is the equal to the remainder obtained when the expression is divided by x + 1. Find the value of a.     
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09/08/17

Find the equation of the curve with the derivative of y with respect to x given as (2/√x)-x, passing through the point (2,1)
Hi, can anybody help me with the following question? "Find the equation of the curve with the derivative of y with respect to x given as (2/√x)-x, passing through the point (2,1)"
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09/07/17

(a) if F(x)=5x/(1+x^2), find F'(2) and use it to find an equation of the tangent line to the curve y=5x/(1+x^2) at the point (2,2)
(a) if F(x)=5x/(1+x^2), find F'(2) and use it to find an equation of the tangent line to the curve y=5x/(1+x^2) at the point (2,2)   (b) illustrate part (a) by graphing the curve and the tangent... more
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09/07/17

$180 per week plus $.25 per mile
a car rental agency charges $180 per week plus $.25 per mile to rent a car we want to find how many miles you can travel in one week for $395
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09/07/17

How would I put 3<2x-3<15 into interval notation?
This question is really hard to me.
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09/06/17

Solve using factoring by grouping: 12x2 + 11x + 2 = 0
Solve using factoring by grouping: 12x2 + 11x + 2 = 0
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09/06/17

How many grams of pure gold should be melted into 75 grams of 22% gold alloy to make a 70% gold alloy?
 How many grams of pure gold need to be added?
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09/06/17

The length of a rectangle is 10 units longer than its width. If the total perimeter of the rectangle is 44 units, what is its width
This question is hard help. Hi hi how hi hi hi hi hi hi hi hi hi hi hi hi hi hi hi hi
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09/06/17

can you help me with this equation y=-5x-2 to turn it in real life situation
I need a real life situation
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09/04/17

use the intermediate value theorem to show that there is a root of the given equation in the specified interval.
use the intermediate value theorem to show that there is a root of the given equation in the specified interval.   ln x = x - √x, (2,3)
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09/04/17

Find the equation of the linear function g whose graph is perpendicular to the line 5 x − 3 y = 9 ; the two lines intersect at x = 15
Find the equation of the linear function g whose graph is perpendicular to the line 5x−3y=9 the two lines intersect at x=15
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09/02/17

domain of ln((e^x)-2)
please help, been doing this assignment all day and I am stuck on this one problem. Have been for like 30 minutes
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09/01/17

prove the statement using ε, δ definition of a limit. lim x--> 10 [3-(4/5)x] = -5
prove the statement using ε, δ definition of a limit.   lim x--> 10   [3-(4/5)x] = -5
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09/01/17

Average speed
Meg rowed her boat upstream a distance of 75 mi and then rowed back to the starting point. The total time of the trip was 20 hours. If the rate of the current was 5 mph, find the average age speed... more
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09/01/17

see description
A vector X is added to vector Y = 12i -16j. The resultant vector lies along the positive x axis and has the same magnitude as X. What is the magnitude of X?
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08/31/17

evaluate the limit
lim x-->16 (4- √x)/(16x-x^2
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08/31/17

Find the limit
if f(x)= x^3-4 then find limit h→0 f(x+h)-f(x)/h
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08/31/17

Domain and Range
Hello. I'm having a little trouble finding the range of a function. The function is f(x) = arccos(x). I found that the domain is [-1,1] but I'm having a little trouble finding the range. I know... more
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08/31/17

Given that: z=tan(α)+i, where 0<α<(1/2)*pi // Find the absolute value of z in its simplest form.
Given that: z=tan(α)+i, where 0<α<(1/2)*piFind the absolute value of z in its simplest form. How the hell do I solve this?
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08/30/17

Find the equation of the line that passes through (-4,6) and is parallel to the line 3x+4y=-2
Find the equation of the line that passes through (-4,6) and is parallel to the line 3x+4y=-2
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