Define variables and write the sentence in function notation.
The circumference of a circle is a function of the diameter. Circumference is times diameter.
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log2
A. 4 - log2 x
B. 2 - log2 x
C. -2log2 x
D. 
Mathematics
Solve the system by substitution or elimination. If a system is inconsistent or has dependent equations, say so. x - y + 2z = -33x + z = 0 x + 4y + z = 12
A. {(0, 3, 0)} B. {(0, 3, -3)} C. ?; inconsistent system D. {(0, 0, 3)}
Mathematics
Find the perimeter.
A. 75 yd B. 74 yd C. 312.5 yd D. 50 yd
Mathematics