The answer would be D.
a1 is 0.5 and r is -0.2.
Technically it's 2x subtracted by 1 and 8 more than that so:
(2x-1)+8
Answer:
She had five crackers.
Step-by-step explanation:
Originally, she had only 1 cracker. Since she bought 4 more from the store, it adds to the current amount she had. So 1+4= 5.
Answer:
Use a spreadsheet.
Step-by-step explanation:
If you mean a household budget you could use a spreadsheet.
The columns would be months and the rows would be items of expenditure and income.
You use formulae ( provided by the spreadsheet) to do additions, subtractions and so on.
Answer: (the function is 8^X, not 8X.)
Step-by-step explanation:
X = 1 8^X = 8
X = 2 8^X = 64
X = 3 8^X = 512
X = 4 8^X = 4096