Use natural logarithms to solve the exponential equation symbolically.2-x = 

A. x =  
B. x = ln 
C. x = - 
D. x = - ln 4


Answer: A

Mathematics

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Find fx, fy, and fz.f(x, y, z) = x2y + y2z + xz2

A. fx = 2xy; fy = x2 + 2yz; fz = y2 + 2xz B. fx = 2y + z2; fy = x2 + 2z; fz = y2 + 2x C. fx = 2xy + z2; fy = x2 + yz; fz = y2 + xz D. fx = 2xy + z2; fy = x2 + 2yz; fz = y2 + 2xz

Mathematics

Determine whether the sequence defined by converges or diverges. If it converges, find its limit.

What will be an ideal response?

Mathematics

Write the number in scientific notation.63,000,000

A. 6.3 × 10-6 B. 6.3 × 107 C. 6.3 × 106 D. 6.3 × 10-7

Mathematics

Solve the problem.The population of a town was 34,300 at the beginning of 1970. If the population decreased 300 people per year, how many people lived in the town at the beginning of 1985?

A. 29,800 people B. 30,100 people C. 4500 people D. 29,500 people

Mathematics