y? = 5x cos x

Solve the differential equation.


y = 5x sin x ? 5cos x +C

Mathematics

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Express the given number in exponential form.3 + 8j

A. 7.42e1.21j  B. 7.42e0.359j C. 8.54e0.359j D. 8.54e1.21j

Mathematics

The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = -2 + 9 cos tFind the body's velocity at time t = ?/3 sec.

A.  m/sec
B. -  m/sec
C. -  m/sec
D.  m/sec

Mathematics

Find the absolute maxima and minima of the function on the given domain.  on the square  

A. Absolute maximum: 12 at    and    absolute minimum: 0 at  
B. Absolute maximum: 4 at    and    absolute minimum: 0 at   
C. Absolute maximum: 12 at    and    absolute minimum: 4 at    and   
D. Absolute maximum: 4 at    and    absolute minimum:  3 at        and  

Mathematics

Provide an appropriate response.When asked to describe logarithms in one simple sentence, the teacher said, "Logarithms are exponents". What is meant by this sentence?

What will be an ideal response?

Mathematics