By definition a > b for a, b € R if a - b > 0. Why is
the statement "(a > b) => (da > db) for all real numbers a, b, d' false?

7. Explain why the domain of f(x) - (x+3)/(x -4) is all real numbers except x -4. Use the definition of a function in your explanation. 8 Solve the following equation for all real solutions: x4 -7x3+x-7-0

l. a. (3 pts) Let f R R. Express the negation of the statement in symbols with quantifiers For all real numbers r1 and T2, f(r1) f(r2) whenever

Homework: Homework 3.1 Score: 0 of 1 pt 3.1.FT1 1 of 18 (0 complete) in and range of a quadratic function are (-0,00) a quadratic function always has either a maximum or minimum y-value. So the range cannot be all real numbers. O A. O B. False, True, because the domain and range of every quadratic function is the set of real numbers.