Solve the problem.The following scatter diagram shows heights (in inches) of children and their ages.Height (inches)
Age (years)Based on this data, how old do you think a child is who is about 39 inches tall?
A. 3 years
B. 3 months
C. 7 years
D. 1 year
Answer: A
Mathematics
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Find the length of the following curve.y = 
, for -ln 3 ? x ? ln 3
A. 
B. 
C. 
D. 
Mathematics
If f satisfies the equation of change 
, then what can be said about the function 
?
?
A. f is linear with slope 
.
B. f is linear with slope -4.
C. f is exponential with decay factor -4.
D. f is exponential with decay factor 
.
Mathematics
Solve the equation by completing the square.x2 - 4x - 7 = 0
A. {-2 - 
, -2 + 
}
B. {4 - 
, 4 + 
}
C. {2 - 
, 2 + 
}
D. {2 - 
, 2 + 
}
Mathematics
Use a graphing calculator to solve the linear equation.The graph of y1 is shown in the standard viewing window. Which is the only choice that could possibly be the solution of the equation y1 = 0?
-5, 5, 
, 15
A. -5
B. 
C. 15
D. 5
Mathematics