GAH MATH BAD





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Discus: SAT/ACT Tests and Test Preparation: October 2003 Archive: GAH MATH BAD
By Tennizpro06 (Tennizpro06) on Tuesday, October 21, 2003 - 09:42 pm: Edit

1. The postal rate for first class mail is 32 cents for the first oz or portion thereof and 23 cents for each additional oz or portion thereof, then the cost in cents of first-class postage for a letter weighing N oz is always

A. 32 + [N-1]x23

C. 32+[N]x23

WHY IS IT C!?!

2. if f(x)=i, wher ei is an integer such that i is smaller than or equal to x is smaller than or equal to i _ 1, the range of f(x) is

ans=set of all integers

3. If f(x)=[2x]-4x with domain 0 smaller/equal to x smaller/equal to 2, then f(x)can also be written as...

E. none opf the above-or below..

A. 2x
B.-x
C.-2x
D. x^2-4x

someone help please....

By Tennizpro06 (Tennizpro06) on Wednesday, October 22, 2003 - 05:42 pm: Edit

Bump


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