Answer:
A, (-3,0)
Step-by-step explanation:
Just plug that one in and it works out.
5*-3+2*0= -15
2*-3-2*0= -6
Answer:
the answer is A,
P(x) = -0.4x³+100x²-900x+500
Step-by-step explanation:
monthly cost:

monthly revenue:

profit function:


i) remove the first bracket

ii) there is a negative sign, '-' in front of the second bracket. so, change the sign of each term of the expression inside the bracket

iii) collect like terms

iv) simply the like terms

Answer:
It would be $2.50 on the 25th month I'm sure.
Step-by-step explanation:
I multiplied 0.05 cents by 25 and got $1.25. Then add the original number from the first month, $1.25. Hope this helped. :D
The denominator of 4 and 6 is ... (LCM) = 24
4,8,12,16,20,24
6,12,18,24