Find the value of the polynomial.4x2 + 2x - 5 when x = 2
A. 5
B. 11
C. 15
D. 7
Answer: C
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Solve the inequality. Write the solution set in interval notation and graph it.-10r + 6 ? -2(4r - 11)
A. (-8, ?)
B. (-?, -8)
C. [-8, ?)
D. (-?, -8]
Solve the problem.In one study the maximum heart rates of conditioned athletes were examined. A group of athletes was exercised to exhaustion. Let x represent an athlete's heart rate five seconds after stopping exercise and y represent an athlete's heart rate ten seconds after stopping exercise. It was found that the maximum heart rate H for these athletes satisfied the following two equations. H = 0.491 x + 0.468 y + 11.2 H = -0.981 x + 1.872y + 26.4If an athlete had a maximum heart rate of H = 169, determine the value of y graphically to the tenths place.
A. y = 159.5 B. y = 163.6 C. y = 163.9 D. y = 163.2
Use the graph to determine the function's domain and range. Write the domain and range in interval notation.
A. domain: [0, ?) range: [3, ?) B. domain: [0, ?) range: [0, ?) C. domain: [0, ?) range: (-?, ?) D. domain: (-?, ?) range: [3, ?)
Provide an appropriate response.The answer for a division problem is called the 
.
A. quotient B. dividend C. product D. divisor