Combine the following, if possible.-23
- 7
A. -16
B. -30
C. 16ab
D. -16ab
Answer: B
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Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 
B. 
C. 
D. 
Simplify the following by combining like terms.-7r + 12r4 - 7r4 + 10r
A. 8r B. 8r4 C. 3r + 5r4 D. cannot be simplified
Use the information summarized in the table to select the graph of f.
Domain: 
Intercept: y-intercept: 03Asymptotes: NoneIntervals where f? is ? and ?:? on 
? on 
Relative extrema: Rel. min. at 
; rel. ma. at 
Concavity: Downward on 
; upward on 
Point of inflection: 
?
A. ?
B. ?
C. ?
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; 