Ex 2.11
16) the tangent to a curve with y''=2x-4 makes an angle of 135 degrees with the x-axis in the positive direction at the point (2,-4). find its equation

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,