Very urgent have another test that is timed what is the general form of the equation for the given circle centered at o(0,0) ? a) x^2+y^2+41=0 b) x^2+y^2-42=0 c) x^2+y^2+x+y-41=0 d) x^2+y^2+x-y-41=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?

What is the inverse of the function f(x) = 2x + 1?

Determine domain and range, largest open interval, and intervals which function is continuous.