For the given functions f and g, find the requested function.f(x) = x - 1; g(x) = 5x2
Find (f - g)(x).
A. (f - g)(x) = -5x2 - x - 1
B. (f - g)(x) = 5x2 - x + 1
C. (f - g)(x) = 5x2 + x - 1
D. (f - g)(x) = -5x2 + x - 1
Answer: D
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where t is the number of hours since midnight. Find the average rate of water usage over the interval 
A. 3.78 gallons per hour B. 4.37 gallons per hour C. 0.37 gallons per hour D. 3.63 gallons per hour
Solve the equation using graphical methods. Round to the nearest thousandth when appropriate.-5x + 9 = -1 + 8x
A. x = 0.769 B. x = 1.3 C. x = 0.375 D. x = -1.3
Graph the ellipse.
+ 
= 1 
A. 
B. 
C. 
D. 
Solve the problem.The weekly profit, in dollars, from the production and sale of x bicycles is given by 
Currently, the company produces and sells 700 bicycles per week. Use the marginal profit to estimate the change in profit if the company produces and sells one more bicycle per week.
A. 23.33 dollars B. 37.00 dollars C. 23.00 dollars D. 30.00 dollars