Factor completely by trial and error. If prime, so state.
A. (x + 9)(x - 7)
B. (x - 9)(x + 7)
C. (x - 9)(x - 7)
D. (x + 9)(x + 7)
Answer: C
You might also like to view...
Find the limit.
9 cos 
A. 1 B. - 9 C. 9 D. 0
Graph the function.y = - 
sin 
A. 
B. 
C. 
D. 
Solve the problem.A weight is suspended on a system of spring and oscillates up and down according to P = 0.1[3 cos (8t) - sin (8t)]where P is the position in meters above or below the point of equilibrium (P = 0) and t is time in seconds. Find the time when the weight is at equilibrium. Find all values of t, 0 ? t ? 1, rounded to the nearest 0.01 second.
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.If f(x) represents the number of digital cable subscribers in a particular town and g(x) represents the number of households in the town, with x equal to the number of years from 2007, then what function represents the percent of households in the town with digital cable x years after 2007?
A. 100(f ? g)(x)
B. 100 
C. (f + g)(x)
D. 100f(x)g(x)