Use the graph of a quadratic function to find the solution set of the equation or inequality. For a solution set that involves an interval, use interval notation.x2 - 9x + 18 > 0
A. [3, 6]
B. (-?, 3] ? [6, ?)
C. (-?, 3) ? (6, ?)
D. x = 3, 6
Answer: C
Mathematics
You might also like to view...
Graph and shade the given inequality.x ? 4
A. 
B. 
C. 
D. 
Mathematics
Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.5x - 2y = -6-15x + 6y = 18
A. 
B. 
C. {(x, y)|5x + -2y = -6}
D. No solution
Mathematics
Solve the problem.Let f(x) = cos x, g(x) = x - ?/2, and h(x) = 2x. Find h(f(x)).
A. 2 cos x B. cos(2x) C. 2 cos(x - ?/2) D. cos(x - ?/2)
Mathematics
Find the angle between the given vectors to the nearest tenth of a degree.a = 5i + 4j, b = -9i + 4j
A. 165.3° B. 125.9° C. 117.4° D. 118.4°
Mathematics