MY NOTES Find the interest rate needed for an investment of $7000 to grow to an amount of $9500 in 3 years if interest is compounded monthly. (Round your answer to the nearest hundredth of a percentage point.) Need Help? Read it Watch It Talk to a Tutor 5. -/1 POINTS TANAPCALC10 5.3.021. MY NOTES Find the interest rate needed for an investment of $4,000 to quadruple in 7 years if interest is compounded daily. (Round your answer to the nearest hundredth of a percentage point.) Need Help? Read It Talk to a Tutor - 1 POINTS TANAPCALC105.3.025. MY NOTES How long will it take for an investment of $4,000 to triple if the investment earns interest at the rate of 6%/year compounded daily? (Round your answer to one decimal place.)