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Determine the domain of each of the following functions.
f( x ) = x - 4 / x2 - 2 x -15
Solution
With this problem we have to avoid division by zero and thus we have to determine where the denominator is zero that means solving,
x2 - 2 x -15 = ( x - 5) ( x + 3) =0
⇒ x = -3, x = 5
Thus, these are the only values of x that we have to avoid and therefore the domain is,
Domain: All real numbers except x = -3 & x = 5
While we first looked at mechanical vibrations we looked at a particular mass hanging on a spring with the possibility of both a damper or/and external force acting upon the mass.
ln(4x+19)=ln(2x+9)
give me the anwsers ..
Consider the following linear programming problem: Min (12x 1 +18x 2 ) X 1 + 2x 2 ≤ 40 X 1 ≤ 50 X 1 + X 2 = 40 X
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Area between Two Curves We'll start with the formula for finding the area among y = f(x) and y = g(x) on the interval [a,b]. We will also suppose that f(x) ≥ g(x) on [a,b].
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Ask queFind the normalized differential equation which has {x, xex} as its fundamental setstion #Minimum 100 words accepted#
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