Which functions have a positive rate of change and which have a negative rate of change? column a column b ab 1. 2x + 3y = −9 ab 2. y = 3x − 6 ab 3. x y −1 9 0 7 1 5 ab 4. x y 2 −8 3 −7 4 −6 a. positive b. negative

What is the missing step in this proof ?

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points