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Unit 1 - Pretest
17
Look at this expression.
-3XOA
x3y²
Which of the following is the simplest form of this expression?
A.
21-2,,-2

15 point ! ~ see if you know the answer to both you!

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola