Find an for the given geometric sequence.a1 = 2, r = -2
A. an = -2(2)n-1
B. an = 2(-2)n
C. an = 2(-2)n-1
D. an = -2(2)n
Answer: C
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Find the orthogonal trajectories of the family of curves. Sketch several members of each family.y = -mx
What will be an ideal response?
Solve the system of equations by the addition method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent. x + 4y = -4 2x + 5y = -5
A. No solution, inconsistent B. (0, -1) C. (1, 0) D. (1, -2)
If the number in the statement is written in scientific notation, write it without exponents. If it is written without exponents, write it in scientific notation.It has been estimated that the average American watches 58,240 hours of television in a lifetime.
A. 5.824 × 104 hr B. 5.824 × 103 hr C. 5.824 × 105 hr D. 58.24 × 103 hr
Solve. Write the fraction in simplest form.A company employs 72,000 employees worldwide. About 16,800 employees work in the United States. What fraction of the employees do NOT work in the United States?
A. 
B. 
C. 
D. 