Express using positive exponents. Then simplify.x-8
A. x8
B. 
C. 
D. 8x
Answer: C
Mathematics
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Given the graph of f, find any values of x at which f ' is not defined.
A. x = -2, 0, 2 B. x = 0 C. x = 2 D. x = -2, 2
Mathematics
Solve the following equation for x and y using determinants:
3x + y = 9 4x - 3y = 4
Mathematics
Find the domain of f.f(x) = 
A. All real numbers B. {x | x ? 7, x ? -4} C. {x | x ? ±1} D. {x | x ? -7, x ? 4}
Mathematics
The graph is a translation of one of the basic functions defined by y = x2, y = x3, y = 
, or y = 
. Find the equation that defines the function.
A. y = x2 - 1 B. y = (x - 1)2 + 2 C. y = (x - 1)2 D. y = (x + 1)2
Mathematics