Combellack, Wilfred J.
Introduction to elementary functions / Wilfred J. Combellack
John Wiley & Sons, 1962
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Knight, Ronald A.
Introduction to the elementary functions / Ronald A. knight, William E. Hoff
Dickenson Pub. , 1969
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Barnett, Raymond A.
Precalculus : functions and graphs
McGraw-HIll, 2001
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Stevens, Lee A.
Elementary algebra
Wadsworth, 1970
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Hoffer, Alan R.
Elementary algebra
Prindle, Weber & Schmidt, 1969
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