Simplify.(5
+ 2)2
A. 25m2+ 20
+ 4
B. 25m+ 20
+ 4
C. 25m+ 4
D. 5m2 + 20m+ 4
Answer: B
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Solve the problem.Researchers conducted a weight loss study of moderately overweight women. In addition to dieting, the women kept exercise and weight loss journals for one year. The researchers used this data to derive a polynomial function that models average monthly weight loss as a function of average weekly minutes of aerobic exercise. As its coefficients make the function difficult to compute by hand, the graph below was used in estimating.
Use the graph to estimate a women's average monthly weight loss if she exercised an average of 45 minutes per week.
A. 1.1 lb B. 2.1 lb C. 2.6 lb D. 1.5 lb
Find the range of the given function.f(x) = -3x2 - 12x - 16
A. [4, ?) B. (-?, -2] C. [2, ?) D. (-?, -4]
?Find all relative extrema of the function 
. Use the Second-Derivative Test when applicable.
A. ?The relative maximum is 
.
B. ??The relative minimum is 
.
C. ??The relative maximum is 
.
D. ???The relative minimum is 
.
E. ??The relative maximum is 
.
Find the vertex of the parabola. ? y = 3x2 - 1 ?
A. (-1, 3) B. (0, -1) C. (3, -1) D. (-1, 0) E. (0, 3)