Use the definition of continuity to determine whether f is continuous at a.f(x) = 
a = 8
A. Continuous
B. Not continuous
Answer: B
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Use the x- and y-intercepts to graph the linear equation.5x = y - 8
A. 
B. 
C. 
D. 
Find the center-radius form of the circle described or graphed.
A. (x + 5)2 + (y + 4)2 = 2 B. (x - 5)2 + (y - 4)2 = 4 C. (x - 5)2 + (y - 4)2 = 2 D. (x + 5)2 + (y + 4)2 = 4
If M is the theoretical maximum charge that a battery can hold and k is a positive constant that depends on the battery and the charger, the length of time (in minutes) required to charge the battery to a given level C is given by
?
?
If k = 0.2, how long will it take a battery to reach a 30% charge? Assume that the battery was fully discharged when it began charging. Round to one decimal place.
?
A. 0.2 minutes B. 6.0 minutes C. 2.6 minutes D. 1.8 minutes E. 0.8 minutes
Solve the problem.A driver wants to gauge the fuel efficiency of her vehicle at speeds of 30 mph and above. She notices that traveling at an average speed of 45 mph results in a rating of 34 mpg, where as at an average speed of 60 mph, her car rates 29 mpg. Find an equation to model the gas mileage y for an average speed of x mph.
A. y = 3x + 49
B. y = - 
x - 19
C. y = 3x - 19
D. y = - 
x + 49