Solve the problem.A cable TV company charges $27 for the basic service plus $6 for each movie channel. Let y be the total cost in dollars of subscribing to cable TV, using x movie channels. Find the slope-intercept form of the equation.
A. y = 6x + 27
B. y = 6x - 27
C. y = 27x - 6
D. y = 27x + 6
Answer: A
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Evaluate the algebraic expression for the given values of the variables.6
+ 
for w = 100 and z = 36
A. 606 B. 66 C. 16 D. 12
Solve the problem.Hooke's law is applicable to idealized (linear) springs that are not stretched or compressed too far. Consider a nonlinear spring whose restoring force is given by F(x) = 17x - 0.3x3, for |x| ? 9. How much work is done in stretching the spring from its equilibrium position (x = 0) to x = 1? Round to two decimal places when appropriate.
A. 8.43 J B. 392.85 J C. 196.43 J D. 16.7 J
Solve the problem.The average number of vehicles waiting in line at a toll booth of a super highway is modeled by the function 
, where x is a quantity between 0 and 1 known as the traffic intensity. What happens to the average number of vehicles waiting as traffic intensity increases?
A. The average number of vehicles waiting decreases at first, but then increases. B. The average number of vehicles waiting remains constant. C. The average number of vehicles waiting increases. D. The average number of vehicles waiting decreases.
Solve for the specified variable. Assume that all other variables are nonzero.64(a2 - b) + 7 = 11F; for a
A. a = ± 
B. a = ± 
C. a = ± 
+ b
D. a = ± 