Pls help me with this word problem

the image of (6, 9) under a dilation is (4, 6). the scale factor is

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of

its less than 713.21 but greater than 5.2