Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log2
A. log2
+ log2
B. 
log211x
C. log211 + 
log2x
D. 
log211 + 
log2x
Answer: D
Mathematics
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The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = 2x + 1 B. f(x) = 2x - 1 C. f(x) = 2x - 1 D. f(x) = 2x
Mathematics
Use a number line to find the sum.-1 + 3
A. -2 B. -4 C. 4 D. 2
Mathematics
Simplify.74 - 4 ? 3 ? 2
A. 124 B. 50 C. 420 D. 65
Mathematics
Find the mass and the center of mass of the lamina occupying the region R, where R is the triangular region with vertices (0, 0), (2, 5), and (4, 0), and having the mass density p(x, y) = x.
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Mathematics