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Algebra
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10 Nov 2019

1 For f(x) =(x+20)/x, find (a) f(x+h) (b) (f(x+h)-f(x))/h

2. If f(v)=1/(v^2+4) and g(v) =√(v+2) (a) Find (f o g)(v) (b) find (g o f)(v)

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Beverley Smith
Beverley SmithLv2
18 Jul 2019
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1. Expressthe solution set of the inequalityx^3-x^2+x-1>0<?xml:namespace prefix = v ns ="urn:schemas-microsoft-com:vml" /> <?xml:namespace prefix = ons = "urn:schemas-microsoft-com:office:office" /> ininterval notation.

2. Find the value ofk such that the line kx-3y=10 is perpendicular to the line2x+3y=6.


3. Find the point(s)of intersection of the graphs of y=x-1 and2x^2+3y^2=11.


4) For f(x)=2x^2-4x+1, find and simplifyf(a+h)-f(a)/h


5) For f(x)=x^2+x and g(x)=-4x+3 , find andsimplify:

a) (f*g)(x)

b)(g*f)(x)

c)(g*g)(x)










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