Use identities to write the expression as a single function of x or ?.cos 
A. -sin ?
B. cos ?
C. sin ?
D. -cos ?
Answer: A
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Graphs can be used to find maxima and minima for functions.
Answer the following statement true (T) or false (F)
Solve.A company has 63,000 employees. Of these, 
drive alone to work, 
car pool, 
use public transportation, 
cycle, and the remainder use other methods of transportation. How many employees use each method of transportation?
A. Drive alone: 2,100; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
B. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
C. Drive alone: 21,100; car pool: 10,500; public transportation: 8,900; cycle: 7,000; other: 1000
D. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
Find the indicated term of the geometric sequence.a1 = 4, r = 5; find a4
A. 125 B. 2500 C. 60 D. 500
The figure shows a transformation of the graph of y = x2. Write the equation for the graph.
A. g(x) = -x2 + 2 B. g(x) = -x2 - 2 C. g(x) = (-x - 2)2 D. g(x) = (-x + 2)2