Use substitution to determine whether the given x-value is a solution of the equation.cos 2x = - , x = 

A. Yes
B. No


Answer: B

Mathematics

You might also like to view...

Solve the problem.Write an iterated triple integral in the order  for the volume of the region in the first octant enclosed by the cylinder  and the plane .

A.
B.
C.
D.

Mathematics

Solve the problem.In 1995 the population of a certain city was 23,000. Since then, the population has been growing at the rate of 1.5% per year. Is this an example of linear or exponential growth? Find a function f that computes the population x years after 1995.

A. Linear; f(x) = 345x + 23,000 B. Exponential; f(x) = 23,000(1.015)x C. Exponential; f(x) = 23,000(0.015)x D. Linear; f(x) = 0.015x + 23,000

Mathematics

Find the square root.

A.  
B.
C.  
D.  

Mathematics

Solve the problem.If John puts  lb of roast beef on each sandwich, how many sandwiches can he make from 2 lb of roast beef?

A. 4 sandwiches B. 3 sandwiches C. 8 sandwiches D. 2 sandwiches

Mathematics