Answer:
<u>15</u>
<u>2x</u>
Step-by-step explanation:
Answer:
dy/dx at x=6 is 0.334
Step-by-step explanation:
The center difference method requires that the values of the function are given in equal intervals which is the case, and allows one to find the value for x = 6 using those of the function for x = 5.5 and for x = 6.5 as follows:

Answer:
11.11%
Step-by-step explanation:
The selling price is 250
The cost price is 250-25
= 225
Therefore the gain can be calculated as follows
=250-225x/225x×100
1/9 ×100
= 0.1111×100
= 11.11%
Hence the gain is 11.11%
Answer:
I think its the last one thats not showing if I'm wrong in sorry
Answer:
f(x)=2 cos(x)-1
Step-by-step explanation:
that is the answer