Which function in vertex form is equivalent to f(x) = 4 + x2 - 2x?
f(x) = (x - 1)2 + 3
O f(x) = (x - 1)2 + 5
O f(x) = (x + 1)2 + 3
Of(x) = (x + 1)2 + 5

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip. gasoline costs $1.05 per gallon. what was the cost of gasoline per mile driver?

What are the soultion(s) to the quadratic equation 40- x^2=0

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?