91影视

In your own words, explain what is meant by domain and range.

Graph the line of the equation $y=-x-1$using its slope and y-intercept.

Is every relation a function? Is every function a

relation?

Determine the most convenient method to graph each line: 鈸� 3x + 2y = 12 鈸� y = 4 鈸� y = $\frac{1}{5}$x 鈭� 4 鈸� x = 鈭�7.

How do you find the value of a function?

Determine the most convenient method to graph each line: 鈸� x = 6 鈸� y = $-\frac{3}{4}$x + 1 鈸� y = 鈭�8 鈸� 4x 鈭� 3y = 鈭�1.

Determine whether each graph is the graph of a function

The equation $h=2s+50$is used to estimate a woman鈥檚 height in inches, h, based on her shoe size, s.

鈸� Estimate the height of a child who wears women鈥檚 shoe size 0.

鈸� Estimate the height of a woman with shoe size 8.

鈸� Interpret the slope and h-intercept of the equation.

鈸� Graph the equation.

Determine whether each graph is the graph of a function.

The equation $T=\frac{1}{4}n+40$is used to estimate the temperature in degrees Fahrenheit, T, based on the number of cricket chirps, n, in one minute.

鈸� Estimate the temperature when there are no chirps.

鈸� Estimate the temperature when the number of chirps in one minute is 100.

鈸� Interpret the slope and T-intercept of the equation.

鈸� Graph the equation.