Tell whether each function is linear or non-linear. Function A line1 Function B
x 0 1 2 3
y 0 1 8 27
y = –x + 5

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

What number is 7 units left of -15?