Grant read a story about a turtle that swan 25 feet in 40 seconds. He assumes the time t , that it takes the turtle to swim a distance of d feet is proportional relationship. Grant starts to create the table shown for other times and distance the turtle swims.

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Three times the sum of a number and seven is negative thirty-six. what is the number?

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)