9% of $2500 = 225
7 × 225 + 2500 = $4075
slope = 7 passing thru (0,1)
equation: y = 7x+1
D. Multiplicative Inverse Property
Answer:

Step-by-step explanation:
A root can be converted to a power by taking the base of the root (in this case 4) and making it 1 over that number, so in this case 
If it were the fifth root you would make it to the 1 over 5 power.