The graph of f(x)=2x+1passes through the points (-1 , 1) and (3 , 16). Rebecca wants to find the average rate of change from x = -1 to x = 3. Here is her work:

3−(−1)16−1=415
a. Explain Rebecca's error. (2 points)

b. Find the correct average rate of change. (2 points)

Which expression is equivalent to 5r6141 2r+st6

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?