Determine whether the variation model is of the form 
or 
and find k. Then write a model that relates y and x.
x
9
18
27
36
45
y
2
4
6
8
10
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Find a quadratic function that best fits the data. Give answers to the nearest hundredth.
A. y = 0.05x2 - 13.25x + 790.18 B. y = 0.15x2 + 38.67x + 891.67 C. y = 0.05x2 + 13.25x + 790.18 D. y = 0.15x2 - 38.67x + 891.67
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Simplify the expression.63
A. Exponent: 6, base: 3 B. Exponent: 3, base: 63 C. Exponent: 1, base: 63 D. Exponent: 3, base: 6
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Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. 
C. 
D. 
Mathematics
Find the integral.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics