Write the decimal 0.81 as a fraction.
A) 81/10
B) 81/1000
C) 81/10,000
D) 1000/81
E) 81/100
E) 81/100
Mathematics
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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = 
, u = 4x - 7
A. 
B. - 
C. - 
D. - 
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
(
- 
)
A. 10
B. 
C. 
- 
D. 5
+ 5
Mathematics
Solve the equation.
= 
+ 
A. 
B. 
C. {-3}
D. {3}
Mathematics
Without graphing, find the vertex.f(x) = 
(x + 6)2 - 5
A. (6, 5) B. (6, -5) C. (-6, 5) D. (-6, -5)
Mathematics