Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $1.35 per gallon, whereas they sell 3858 gallons on a day that they charge $1.40 per gallon. Find a linear equation for gallons sold (y) at a price x. Predict the number of gallons sold at a price of $1.19 per gallon.
A. 7907.4 gallons
B. 7895.1 gallons
C. 7902.5 gallons
D. 7898.4 gallons
Answer: D
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Multiply. 
A. 199,732 B. 188,732 C. 189,832 D. 189,732
Solve the problem.The daily profit for a product is given by P = 36x - 0.02x2 - 1600, where x is the number of units produced and sold.a. Graph this function for x between 0 and 2100.b. Describe what happens to the profit of this product when the number of units produced is between 1 and 900. What happens after 900 units are produced? c. Is the graph of this function concave up or down?
A. a. 
b. The profit increases.; The profit decreases.
c. The graph is concave up.
B.
a.
b. The profit decreases.; The profit increases.
c. The graph is concave up.
C. a.
b. The profit decreases.; The profit increases.
c. The graph is concave down.
D. a.
b. The profit increases.; The profit decreases.
c. The graph is concave down.
Provide an appropriate response.Evaluate the exponential expression -5a0, if a ? 0.
A. 0 B. -1 C. -5 D. -5a
Find the slope of the line and write the slope as a rate of change. Don't forget to attach the proper units.The graph shows the total cost y (in dollars) of owning and operating a mini-van where x is the number of miles driven.
A. $33.00 per mile B. $0.38 per mile C. cannot be determined D. $2.67 per mile