Find the absolute maximum and absolute minimum values of the function, if they exist, over the indicated interval. When no interval is specified, use the real line (-?, ?). f(x) = x3 + x2 - 5x + 6; (0, ?)
A. Absolute maximum: 6; no absolute minimum
B. Absolute maximum: 11; absolute minimum: 3
C. No absolute maximum; absolute minimum: 3
D. No absolute extrema
Answer: C
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The following table shows some function values.
1.62.43.14.90
0.720.780.840.99?
Which formula below fits these data?
?
A. 
B. 
C. 
D. 
Write the equation as f(x) = a(x - h)2 + k. Identify the vertex.f(x) = x2 + 5x + 2
A. f(x) = (x + 5)2 - 23; (5, 23)
B. f(x) = 
2 - 
; 
C. f(x) = (x + 5)2 - 23; (-5, 23)
D. f(x) = 
2 - 
; 
If f is the focal length of a convex lens and an object is placed at a distance v from the lens, then its image will be at a distance u from the lens, where f, v, and u are related by the lens equation 
Find the rate of change of v with respect to u.
Write the phrase as a variable expression. Use x to represent "a number."A number subtracted from 3
A. x - (3) B. 3 - x C. 3 + x D. 3x