rcmath
rcmath
Female
February 6, 2012
Teacher
High School - 12th Grade
Mathematics
University of Alabama at Birmingham - Birmingham, AL, US (1996 - 1998)
reading
Biography
Two masters in Mathematics, and one master in Education.
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Another way to look at this problem is to simplify the function first, then...
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For the function `f(x)=sin^(-1)(x^2-1)` to be define, we will have to...
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We start by factoring the polynomial `x^4(5x+32)-(5x+32)=0 =>`...
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The function is defined as long as the denominator is not zero, so you don't want...
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Octal number means number in base 8, to convert it back to decimal(or base 10) we...
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1. I will be using Heron's formula for finding the area of triangle, then use...
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To write the equation in standard form, we will need to complete the square....
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`f(g(x))=f(x^2+4x-6)=sqrt((x^2+4x-6)+9)=` `sqrt(x^2+4x+3)=sqrt((x+1)(x+3))`...
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X-intercept: Let y=0, then (x+4)/(x^2-25)=0 ==> x+4=0 ==>x=-4 ...
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When asked to evaluate an algebraic expression, you are usually given values for...
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Her answer correlates with your first choice. A general rule is
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The value under the square root should be positive so: x-1>0 and x+4>0 ...
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We will start by factoring the function x^4-9x^2-400=(x^2-25)(x^2+16) If you set =...
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From your grade level I am going to assume you are in 6 grade and asking about...
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To find down payment you multiply your rate by your principal: 840*20/100=168. So...
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To find the inverse function, the most commom method is to set it as y=g(x), then...
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