Any hints to how to solve this type of problem would be great

f(x) = 6 + ( x^7 / sin(x) ) for x > 0

f(x) = a for x = 0

f(x) = 1 / ( x+ 9 ) + b for x < 0

(peicewise function)

Find lim x -> 0+ f(x)

find lim x -> 0- f(x)

then how would i find what a and b are?

thanks