Answer:
7[2r-3].
Step-by-step explanation:
7[2r-3]
= 7*2r + 7 * -3
=7[2r-3]
When you have to put the percent over 100 the you would simplify it.
Answer:
Not sure what you're asking here.
Step-by-step explanation:
If you're trying to find the new price just put in your calculator.
We have,
f (0) = 7
f (1) = 2f (1-1)-3 = 2×7-3 = 11
f (2) = 2f (2-1)-3 = 2×11-3 = 22 - 3 = 19
Hence 19 is the third no. in the sequence
