Answer the question.The function f(x) = 60x computes the number of minutes in x hours. The function g(x) = 24x computes the number of hours in x days. What is (f ? g)(x) and what does it compute?
A. (f ? g)(x) = 84x; it computes the number of minutes plus the number of days in x days.
B. (f ? g)(x) = 1440x2; it computes the number of minutes in x days.
C. (f ? g)(x) = 1440x; it computes the number of days in x minutes.
D. (f ? g)(x) = 1440x; it computes the number of minutes in x days.
Answer: D
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Estimate an answer to the problem.An advertisement states that television sets are on sale at B&G Electronics. The sale prices are: src="https://sciemce.com/media/4/ppg__rrrrr0616190822__f1q97g6.jpg" alt="" style="vertical-align: -4.0px;" /> 
set, 
set, 
set, 
$289.97; 
$519.97. Estimate to the nearest ten the total cost of one 
set and one 
set.
A. $420
B. $430
C. $450
D. $440
When forecasting income statements, which of the following is generally a key assumption firms make about their variable operating costs?
A. Variable operating costs remain the same each year. B. Variable operating costs increase at the same rate as sales. C. Variable operating costs are forecast to be the average of the operating costs during the previous three years. D. Variable operating costs decrease when sales increase. E. Variable operating costs are set at industry averages.
Write the standard form for a hyperbola centered at (h, k). Identify the center and the vertices.y2 - x2 - 14y + 10x - 1 = 0
A. C(5, 7); V(7 ± 5, 5); 
- 
= 1
B. C(-5, -7); V(-5, 7 ± 5); 
- 
= 1
C. C(5, 7); V(5, 7 ± 
); 
- 
= 1
D. C(5, 7); V(5, 7 ± 5); 
- 
= 1
Find the determinant of the given matrix.
A. 5 B. -12 C. 12 D. -14