Acar travels at an average speed of 56 miles per hour . how many miles does it travel in 4 hours and 15 minutes

56 miles per hour

15 minutes is 1/4 of an hour

1/4 = 0.25

 so 56 x 4.25 = 238 miles

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints

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