09/26/16

Graph given equation.
Graph the given equation: y=2[[x]]
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09/26/16

how to get the inside function from a composite function
b) In order to express the function P=√(19t^6-1) as a composition of two functions the outer of which is a root function, we would let u be equal to the inner function, u= and then write P as a... more
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09/26/16

domain of (x/1+x)/(1+(x/1+x))
domain of (x/1+x)/(1+(x/1+x))
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09/26/16

domain of sqrt{-x^3+5x^2+9x-45}
domain of sqrt{-x^3+5x^2+9x-45}
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09/25/16

Help - struggling with infinite
-2x-3y+2=-6 x+y-2=5 7x+8y-6z=31
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09/25/16

Find the cost per pound of the peanuts and M&M's.
A storeowner mixed 8 pounds of peanuts and 5 pounds of M&M's. This 13 pound mixture sold for $55.27. A second mixture included 6 pounds of peanuts and 4 pounds of M&M's. This 10 pound... more
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09/25/16

Solve cos2x=-2?v/2 such that 0=x=2p.
i'm not sure hot to get to the answer
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09/25/16

Find value of c that makes function continuous
f(x) = [ c(x-1)] / (|x-1|) ; x<1            c+cos(1-x)-1 ; x geater/equal to 1      I am very confused. This whole thing looks really complicated.
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09/24/16

How to find the value of y in this matrix equation if /A/ = 0
                2     y    -1 Given A =  y     2     1 . Find y if /A/ = 0                -3   -1     1
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09/23/16

y=x;y=square root (x); about y=1. Find the volume using washer/disk method.
I got pi/6. Not sure about the answer. Thanks.
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09/23/16

Find f(x) and g(x) such that h(x) =(fog)(x) , h(x) = x^3-6 over x^3+6
Find f(x) and g(x) such that h(x) =(fog)(x) , h(x) = x^3-6 over x^3+6
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09/23/16

please help me solve this polynomial inequality
 x^ -4x+3 <0 
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09/22/16

Solve the system of equations by using the inverse of the coefficient matrix.
  |3   -2|*  |x|= |5| |4    3|    |y|   |-2|   Solve the system of equations by using the inverse of the coefficient matrix.   (x,y)= ??
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09/22/16

Find what is wrong with the statement based on knowledge of a derivative and its meaning.
if the position of the car at time t is given by s(t) then the velocity of the car is s'(t) and the units of s' are meters per second.   I have to find what is wrong with this statement but all... more
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09/22/16

The sum of the digits of a two-digit number is 11. If 45 is added to the number, the result is the number with the digits reversed. What is the equation?
I know that the answer is 38 but i dont know the equation.
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09/22/16

These questions are pertaining to College Algebra
Write a statement using an absolute value equation or inequality   a) q is no more than 8 units from 22   b) When a model kite was flown in crosswinds in tests to determine its limits of power... more
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09/21/16

The area of a circle is decreasing at the rate of 2pi cm^2/s. At what rate is the radius of the circle decreasing when it's area is 75pi cm^2?
The area of a circle is decreasing at the rate of 2pi cm^2/s. At what rate is the radius of the circle decreasing when it's area is 75pi cm^2?
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09/21/16

Precalc, functions
if f(x)=3x-5, find ((f(x+h)-f(x))/h 
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09/21/16

(sin(p-x))/(p-x)
Find the limit as x approaches π (pi).
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09/20/16

Problem Solving- Completing the Square. I'm not sure how to solve it!
Sean and Mason run out of gas while fishing from their boat in the bay. they set off an emergency flare with an vertical velocity of 30 meters per second. The height of the flats in meters can be... more
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09/20/16

if a faucet leaks 3 cups of water an hour how many gallons of water will it leak in a 7 day week.
3c/1h * xgals/7day wk. I know the answer is 31.50 gallons but I don't know how to show it on paper.
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09/20/16

calculus Question
The power delivered by a battery to an apparatus of resistance R (in ohms) is P = 2.4R(R + 0.5)2 watts. Find the rate of change of power with respect to resistance for R = 9
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09/20/16

True or false about a statement considering continuity and the derivative.
If f'(a) is defined, then f(x) is continuous at x=a.   True or False? I'm not exactly sure what this means. Isn't f'(a) the tangent slope? and since there can only be one it can't be continuous... more
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09/20/16

Find the two functions f and g such that the lim x -> 0 f(x) and lim x -> 0 g(x) do not exist, but lim x -> 0 [f(x)+g(x)] does exist.
Even I split   lim   [f(x)+g(x)]   into   lim f(x) + lim g(x) x→0                              x→0         x→0   It does nothing as both   lim  f(x) AND lim  g(x) do not exist x→0          ... more
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09/19/16

factor completely. If the polynomial is not factorable, write “prime.” 3x^6+30x^5+72x^4
please show steps thank you
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