Evaluate the function.Find f(-4) when f(x) = 4x2 - 4x - 2
A. 78
B. 46
C. 30
D. 82
Answer: A
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For the following decimal measurement, (a) find the closest fractional equivalent using the given denominator, and (b) find the error, to the nearest ten-thousandth if the fraction is used in place of the decimal number.0.729 in. (32nds)
A. (a) 
,
(b) 0.0110
B. (a) 
,
(b) 0.0415
C. (a) 
,
(b) 0.0103
D. (a) 
,
(b) 0.0728
Use the frequency polygon to answer the following.The frequency polygon shows the salaries of employees of a small company.
The greatest number of employees are in which salary group?
A. $50,000-$60,000 B. $30,000-$35,000 C. $50,000-$55,000
Find the equation of the parabola corresponding to the given information.The parabola has focus ( - 1 , 0 ) and directrix x = 1.
A. y = - 
x2
B. y = 
x2
C. x = - 
y2
D. x = 
y2
Describe the behavior of the function's graph at its x-intercepts.f(x) = x2 + 4x - 12
A. Crosses at (2, 0) and (-6, 0) B. Crosses at (-2, 0) and (6, 0) C. Does not cross at (2, 0) or (-6, 0) D. Does not cross at (-2, 0) or (6, 0)