Sketch the graph and show all local extrema and inflection points.y = 2x3 + 9x2 + 12x
A. Local maximum: 
Local minimum: 
Inflection point: 
B. Local min: 
No inflection point
C. No extrema
Inflection point: 
D. Local max: 
, min: 
Inflection point: 
Answer: D
Mathematics
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Simplify.7 + 
+ 11
A. 
B. 25
C. 11
D. 
Mathematics
An arithmetic sequence is given. Find the common difference and write out the first four terms.{2n + 3}
A. d = 3; 5, 7, 9, 11 B. d = 2; 2, 5, 7, 9 C. d = 3; 2, 5, 7, 9 D. d = 2; 5, 7, 9, 11
Mathematics
Solve the problem.A rectangular sheet of paper measures 
foot by 
foot. Find its area.
A. 
ft2
B. 
ft2
C. 
ft2
D. 
ft2
Mathematics
The lengths of the sides of a triangle are given. Determine if the triangle is a right triangle. If it is, identify the hypotenuse.20, 48, 52
A. right triangle; 52 B. right triangle; 20 C. right triangle; 48 D. not a right triangle
Mathematics