Simplify the expression.
- 
A. 
B. 16
C. 
D. 
Answer: D
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Use Simpson's Rule with n = 4 steps to estimate the integral.
A. 
B. 22
C. 
D. 
Solve the equation.-2.1x = 24.57
A. 13.8 B. -9.6 C. -13.8 D. -11.7
Solve the problem.A company has 12,600 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: 3150; car pool: 2100; public transportation: 1575; cycle: 1400; 
B. Drive alone: 3250; car pool: 2100; public transportation: 1475; cycle: 1400; other: 1000
C. Drive alone: 315; car pool: 2100; public transportation: 1575; cycle: 1400; 
D. Drive alone: 3150; car pool: 2100; public transportation: 1575; cycle: 1400; 
Use the quadratic formula to solve the quadratic equation.3x2 + 7x + 5 = 0
A. 
B. 
C. 
D. no real solution