Solve the problem.When you were born, your uncle put $1000 into an investment account for you. The return on this money was rather consistent over the years, resulting in the pattern of growth depicted in the following graph.
In what year did your investment reach double the original amount?
A. At age 7.
B. At age 9.
C. At age 6.
D. never
Answer: A
Mathematics
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Collect like terms and write in descending order.-4x9y10 + 6x9y10 - 5x9y10 + 8x9y10 + 8x9y10
A. 13x9y10 B. Can't be simplified C. 21x9y10 D. -3x9y10
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Factor the expression completely.x2 + 13x + 42
A. (x - 7)(x + 6) B. (x + 42)(x + 1) C. (x - 7)(x - 6) D. (x + 7)(x + 6)
Mathematics
Clear fractions then solve by substitution.
x + 
y = 5 x - y = -6
A. {(-2, 9)} B. {(2, 8)} C. ? D. {(1, 9)}
Mathematics
Graph the rational function.f(x) = - 
A. 
B. 
C. 
D. 
Mathematics