Answer the questionWhat type of variation is suggested by the graph?
A. y varies inversely as x
B. y varies inversely as the square of x
C. y varies directly as the square of x
D. y varies directly as x
Answer: A
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Find the following using a calculator. Round to four decimal places.ln 0.999
A. -0.0010 B. 0.0004 C. -0.0004 D. 0.0010
Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection).f(x) = -3x2 
A. 
B. 
C. 
D. 
When tuning a piano, a technician strikes a tuning fork for the A above middle C and sets up a wave motion that can be approximated by ? y = 0.001 sin 850?t, ? wheret is the time (in seconds). ? The frequency is given by f = 1 / p. What is the frequency of the note? ?
A. 85 cycles/sec
B. 
cycles/sec
C. 
cycles/sec
D. 850 cycles/sec
E. 425 cycles/sec
Write the fraction that is represented by the given shading.
A. 
B. 
C. 
D. 