Determine whether the function is a solution of the wave equation.w(x, t) = ex - ct
A. Yes
B. No
Answer: A
Mathematics
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Solve the polynomial inequality. Express the solution using interval notation.(x - 1)(x - 7) ? 0
A. [1, 7] B. (-?, 1] ? [7, ?) C. (1, 7) D. (-?, 1) ? (7, ?)
Mathematics
Solve. (5x + 1)(5x - 2) = 0
A. - 
, - 
B. 5, 
C. 
, - 
D. - 
, 
Mathematics
Solve.The ratio of a basketball player's completed free throws to attempted free throws is 9 to 10. If she completed 45 free throws, find how many free throws she attempted. Round to the nearest whole number if necessary.
A. 50 free throws B. 9 free throws C. 41 free throws D. 5 free throws
Mathematics
Determine the measure of the interior angle at vertex A.
A. 165 B. 30 C. 16.3636364 D. 22.5
Mathematics