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## Homework Statement

**I have an impulse response h(n)=e^(0.1n)*[u(n)-u(n-8)] and an input x(n)={0,1,2,3,0}, how do I find the output y(k)?**

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## Homework Equations

## The Attempt at a Solution

i don't even know how to solve. should i try convolution or should i substitute the values of x(n) in h(n). and idk why its y(k) instead of y(n) you don't need to put the exact solution. you just need to explain what i need to do. thanks :)[/B]