The temperature of a cup of coffee t minutes after it has been poured is described by the function c(t) = 20 + 60(0.95)^t . a. how many minutes does it take for the coffee to cool to a temperature of d degrees? b. about how fast is the temperature dropping when t = 1?

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

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?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)