A car is driving north at a constant velocity of 56 miles per hour. Since velocity is constant, distance north, in miles, is a linear function. What is the slope of this linear function?
?
A. 56 miles per hour
B. -56 miles per hour
C. 0 miles per hour
D. None of the above.
Answer: A
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The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.4x2 -20x +21 = 0
A. {1.5, 3.5} B. {-29, 21} C. {-3.5, -1.5} D. {6, 14}
The Leslie matrix for a population of birds is 
The population vector for year 1 is 
(a) Estimate the population vector for year 2. (b) Estimate the population vector for year 3. 47.
Solve the problem.In flying the 79 miles from Champaign to Peoria, a student pilot sets a heading that is 12° off course and maintains an average speed of 96 miles per hour. After 15 minutes, the instructor notices the course error and tells the student to correct his heading. Through what angle will the plane move to correct the heading and how many miles away is Peoria when the plane turns?
A. 162.9°; 55.75 mi B. 17.1°; 70.44 mi C. 162.9°; 70.44 mi D. 17.1°; 55.75 mi
Evaluate the expression.
A. 4 B. 6 C. 1 D. 0