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 normal length.
The magnitude of the force required to hold the rubber band at the position x = a is the derivative of the potential energy with respect to x, evaluated at the point 
Sketch a graph of the magnitude of the force versus x.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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A quarterback is standing in the middle of the field 41 yards from his goal line. He passes the ball to a player 8 yards to his left on the 26 yard line. How long was the pass? ?
A. 42 yards B. 15 yards C. 27 yards D. 17 yards E. 67 yards
Mathematics
Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. z15
B. 
C. z8 - z7
D. z
Mathematics
Evaluate the expression for the given replacement values. Write the answer in simplest form.x - y for x = 
, y = 
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem.The cost of manufacturing clocks is given by c = 25(n + 64)1/2, where c is the cost in dollars and n is the number produced. What is the cost when no clocks are produced?
A. $40 B. $1600 C. $200 D. $25
Mathematics