What is the domain of the following parabola?

u-shaped graph that opens down with a vertex of 1, 2

x ≥ 1
x ≤ 1
all real numbers
y ≤ 2

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Which of the following is an equation of a line parallel to the equation y=4x+1?

Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.