Find the reciprocal.0
A. -1
B. 
C. The number 0 has no reciprocal.
D. 0
Answer: C
Mathematics
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Find the domain and the vertical asymptote of the function.f(x) = 4 - log2x
A. Domain: [0, ?); vertical asymptote: x = 0 B. Domain: [0, ?); vertical asymptote: none C. Domain: (4, ?); vertical asymptote: x = 4 D. Domain: (0, ?); vertical asymptote: x = 0
Mathematics
Solve the equation.
+ 
= 
A. {-2} B. {2} C. {5} D. {-5}
Mathematics
Simplify.3 - 
+ (
)2 ÷ 42
A. 17
B. 
C. 
D. 26
Mathematics
Solve the equation by expressing each side as a power of the same base and then equating exponents. 5-x = 125
A. 
B. 
C. {-3}
D. {3}
Mathematics