:which is a linear function? y=x^3 + 1 5/6x=y-4 y=8x^2. y=1/5x

Ireally need ! if a musician uses his credit card to pay for a new violin that costs $2,900 and does not pay on it until the second month, what will the 3.35% monthly interest charge be at the end of the first month? show your work or explain how you got your answer.