Answer:
f(-2) = -1
Step-by-step explanation:
-2 is x, so replace x as -2 into the equation
f (-2) = 2(-2) + 3
f (-2) = -4 + 3
f (-2) = -1
Answer:
8.31 weeks
Step-by-step explanation:
Given that the cost of one share of Apple stock, C=$120
Rate is the increment of the stock value, R= 5%/week=0.05 / week.
Assuming that after t week, the stock has been sold for $180.
Since the stock value increased at 5% every week, so, the interest is compounded weekly, so


[taking log both sides]
weeks
Hence, after 8.31 weeks the stock has been sold for $180.
Answer:the harleyquin costume would cost 40 $
Step-by-step explanation: as given the batman costume costs 20$. so 20 times 2 equals 40$.
20*2= 40$
Answer:
-63+14x
Step-by-step explanation:
7(-9+2x)=7(-9)+7(2x)=-63+14x
For question between 13 -> 17 replace n with the number.
Example:
13.) n = 2; 2+(-1) = 1