Simplify the expression.9z0 when z = 2

A. 9
B. 18
C. 0
D. 1


Answer: A

Mathematics

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Solve.Important news is said to diffuse through an adult population of fixed size L at a time rate proportional to the number of people who have not heard the news. Four days after a scandal in the mayor's office was reported, a poll showed that half of the people had heard about it. How long will it take for 99% of the people to hear about it?

A. 29 days B. 28 days C. 27 days D. 30 days

Mathematics

Find the derivative of the given function.y = 3x4 sin-1 x

A.  + 12x3 sin-1 x
B.
C.  + 12x3 sin-1 x
D.  + 12x3

Mathematics

Use the given functions to find the requested function.f(x) = 3x - 7, g(x) = 8x - 4Find f - g.

A. 5x + 3 B. -5x - 3 C. 11x - 11 D. -5x - 11

Mathematics

Solve the system of nonlinear equations using the method of elimination.

A. (, 8), (, -8), (-, 8), (-, -8)
B. (, 8), (-, 8)
C. (8, ), (8, -)
D. ?

Mathematics