Find the range of the given function.f(x) = -2x2 + 16x - 30
A. (-?, -4]
B. [-2, ?)
C. (-?, 2]
D. [-4, ?)
Answer: C
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Solve the problem. Express answers as a percent rounded to the nearest tenth. Speedy Cleaning Service had a cost of beginning inventory of $40,000, net sales of $248,000, and gross sales of $465,000. Find the beginning inventory percent of net sales and gross sales percent of net sales.
A. beginning inventory percent of net sales: 16.1%, gross sales percent of net sales: 187.5% B. beginning inventory percent of net sales: 61.9%, gross sales percent of net sales: 16.1% C. beginning inventory percent of net sales: 187.5%, gross sales percent of net sales: 16.1% D. beginning inventory percent of net sales: 16.1%, gross sales percent of net sales: 61.9%
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = x2 - 18x + 87
A. minimum at (9, 6) B. minimum at (0, 9) C. maximum at (6, 9) D. maximum at (6, 0)
Find all values of ? in [-4?, 4?] satisfying each of the following equations. sin ? = 
A. ? = - 
, - 
, - 
, - 
, 
, 
, 
, 
B. ? = - 
, - 
, - 
, - 
, 
, 
, 
, 
C. ? = - 
, - , -
, -
, 
, 
, 2?, 
D. ? = - 
, - 
, 
, 
Let U = {q, r, s, t, u, v, w, x, y, z}; A = {q, s, u, w, y}; 
and 
List the elements in the requested set.B'
A. {r, t, u, w, x} B. {r, t, u, v, w, x, y} C. {q, s, y, z} D. {r, t, u, v, w, x}