The graph below shows the percentage of students enrolled in the College of Engineering at State University. Use the graph to answer the question.
Does the graph represent a function?
A. no
B. yes
Answer: B
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Perform the indicated operation, if possible.
- 
A. 
B. 
C. 
D. 
Find the indicated vector.Let u = 
, v = 
. Find u - v.
A. 
B. 
C. 
D. 
Multiply using the method indicated.310 × 246; conventional algorithm
A. 76,570 B. 76,506 C. 76,460 D. 76,260
Solve the problem.The graph shows the amount of potential energy V(x) (in arbitrary energy units) stored in a large rubber band that is stretched a distance of x inches beyond its relaxed length.
The magnitude of the force required to hold the rubber band at the position 
is the derivative of the potential energy with respect to x, evaluated at the point 
Estimate the force required to hold the band at a stretched
position 
(Hint: the force in this problem has units of "energy units per inch".)
A. 3.7 energy units per inch
B. 2.6 energy units per inch
C. 4.4 energy units per inch
D. 0.4 energy units per inch