III. COMPLETE MEI (31 - 50 ) Determine whether each is a linear function or not. Put if it is a linear function and if it is not. Write the degree of the function. For linear functions, identify its slope m and y-intercept. LINEAR FUNCTION OR NOT GIVEN DEGREE SLOPE (m) Y- INTERCEPT (b) Or 4 2 1 Ex, f(x) 2x + 4 1. fx) = -3x2 x 2. f(x) 5x 3. f(x) = x - 25 4. f(x) = 2(x+3) 5. f(x) = -5x3