In the formula for average rate of change, what does the triangle in front of the x and y stand for?

a. interval between x and y
b. initial value of x and y
c. delta notation-change in y over change in x
d. the percent rate of change of y and x

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2