Find the function value.Find f(-1) when f(x) = 
.
A. - 
B. 1
C. - 3
D. 3
Answer: C
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Solve the problem.The amount of a particular matter left in solution during a filtering process decreases by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
(Round to the nearest whole number.)
A. 800, 3200 B. 800, 25 C. 1600, 200 D. 800, 200
Factor completely. If a polynomial cannot be factored, say it is prime.9x2 + x - 10
A. (9x + 1)(x - 10) B. (9x + 10)(x - 1) C. (9x - 1)(x + 10) D. (9x - 10)(x + 1)
Answer the question.Adam used a 6-foot piece of wood to make shelves. He divided it into 
pieces. How many shelves did Adam have?
A. 16 shelves B. 18 shelves C. 15 shelves D. 12 shelves
Write the ratio in three different ways.the ratio of 18 to 25
A. 25 to 18, 25:18, 
B. 18 to 43, 18;43, 
C. 18 to 25, 18;25, 
D. 18 to 25, 18:25, 