Solve by graphing.The cost, c, in dollars of car rental is 
where m is the number of miles driven. Graph the equation for m ? 0 and then use it to estimate the cost of car rental if the number of miles driven is 37.
What will be an ideal response?
About 15 dollars
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Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will be given by the formula 
How much will today's dollar be worth in 4 years? Round the answer to the nearest cent.
A. $3.36 B. $3.20 C. $0.93 D. $0.50
Solve the problem.For a certain film, an actor received a fixed salary plus a percentage of the film's profits. The linear function 
describes his salary, y, in millions of dollars, as a function of the film's profits, x, also in millions of dollars. Find the slope and y-intercept of this function. What do they represent?
What will be an ideal response?
Solve the problem.The formula C = 497x + 184 models the data for the cost to produce x units of a product, where C is given in dollars. How many units can be produced for a cost of $149,284?
A. 225 units B. 300 units C. 600 units D. 150 units
Graph the linear function.f(x) = -4x
A. 
B. 
C. 
D. 