My teacher asked me to round 71,500 to the nearest thousand. I think that the answer is 72,000. Did I round correctly?

If f(x)= 3x+6 which of the following is the inverse of f(x)

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove