Answer:
f(fx) = 64x + 81
Step-by-step explanation:
f(x) = 8x + 9
f(fx) = 8(8x+9) + 9
= 64x + 72 + 9
= 64x + 81
(Correct me if i am wrong)
50=30+3x
(Subtract 30 from both sides)
20=3x
(Divide each side by 3)
6.67=x
She would need to sell 7 plants per day if she wanted to make at least $50 a day if she took the second deal
