Complete the square to find the x-intercepts of the function.f(x) = x2 + 12x + 31
A. (6 + 
, 0), (6 - 
, 0)
B. (-6 + 
, 0), (-6 - 
, 0)
C. (-6 + 
, 2), (-6 - 
, 2)
D. (-6 + 
, 0), (-6 - 
, 0)
Answer: B
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Find the slope of the line. Interpret the slope in terms of rise and run.
A. 1; The graph rises 1 unit for each unit of run. B. -1; The graph falls 1 unit for each unit of run. C. 0; The rise always equals zero. D. Undefined; The run always equals zero.
Solve the problem.The following information pertains to a bakery which makes donuts.
Make a scatterplot of the data. Then graph the following two functions on the same coordinate system: 
; 
. Decide which function best models the data, and then use that function to estimate the profit associated with making 45 cases of donuts.
A. f2; profit for 45 cases is $3825. B. f1; profit for 45 cases is $3675. C. f2; profit for 45 cases is $4500. D. f1; profit for 45 cases is $2475.
Solve the problem.Estimate graphically the local maximum and local minimum of 
A. Local maximum: 8.53; local minimum: -2.01 B. Local maximum: 9; local minimum: -1.67 C. Local maximum: 9; local minimum: 1.06 D. Local maximum: 1.67; local minimum: -9
Find the part.8.5% of 32 miles
A. 0.27 miles B. 27.2 miles C. 2.72 miles D. 272 miles