exponetial decay forsure
Answer:
C. 40-4x-12x^2
Step-by-step explanation:
very simple
? – (20 – 4x – 5x2) = 20 – 7x2, so ? = 20 – 7x2 + (20 – 4x – 5x2)
? = 20 – 7x2 + (20 – 4x – 5x2)=20-7x²+20-4x-5x²=40-12x²-4x
y=7x+1
y-y1=m(x-x1)
y-8=7(x-1)
y-8=7x-7
y=7x-7+8