can anyone help, because I don't understand this assignment.

\fHomework: 1. Refer to the graph of f(x) = x shown. Estimate answers to one decimal place if necessary. A. Estimate the value of (2.5). B. Find all numbers whose square is 4. C. Find all solutions to the equation x = 7. 76 2. Refer to the graph of y = = shown. Estimate answers to one decimal place if necessary. A. Estimate the value of 2.4- B. Find all solutions to the equation = = -3.2. C. Solve = 2 2. 3. Refer to the graph of f(x) = 0.5x shown. Estimate answers to one decimal place if necessary. A. Estimate 0.5(-2.5)3. B. Solve the equation 0.5x* = 4. C. Solve 0.5x' s 2. Each of the following graphs is a variation of one of the eight basic functions. Identify the basic function for each problem. 4 5. 6. 7. 77