Find the equation of the graph.
A. y = 6.5
B. x = -6.5
C. y = -6.5
D. x = 6.5
Answer: C
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With an aging population, the demand for health care, as measured by outpatient visits, is steadily growing. The number of outpatient visits (in million) from 1991 through 2001 is recorded in the following table (
corresponds to 1991):
Year, x012345678910Number of Visits, y317347363379400424426449460471486?
Find an equation on the least-squares line for these data. Please round coefficients to the nearest hundredth if necessary.
?
A. 
B. ?
C. ?
D. ?
E. ?
Solve the equation for ? if 
. Do not use a calculator.
?
What will be an ideal response?
For the simple harmonic motion described by the trigonometric function, find the maximum displacement.
?
?
A. 
?
B. 
C. 
D. 
E. 
Divide. 6x2y3 + 6x4y7 - 6x5y4 ÷ (3x2y3)
A. 2 + 2xy4 - 2x2y B. 2xy + 2x2y4 - 2x3y C. 2 + 2x2y3 - 2x3y2 D. 2 + 2x2y4 - 2x3y