The cost to manufacture x chairs can be represented by the function C(x)=36x. Circle the pair of numbers (one in each box) that correctly completes the statement about the function. If C(63)=2268, then chairs cost $

Which of the following relations are not functions? Select all that apply.

The cost to manufacture x chairs can be represented by the function C(x)=36x. Circle the pair of numbers (one in each box) that correctly completes the statement about the function.

If C(63)=2268, then chairs cost $

Which of the following relations are not functions? Select all that apply.

{(1,3),(3,7),(5,11),(7,15),(9,19)}< br /> {(1,3),(1,7),(5,11),(5,15),(9,19)}< br /> {(-2,4),(-1,1),(0,0),(1,1),(2,4)} {(2,4),(1,1),(0,0),(1,-1),(2,-4)} {(6,3),(4,1),(2,1),(0,-1),(-2,-3)}< br /> {(1,3),(3,7),(3,11),(7,15),(9,19)}< br /> {(1,3),(3,7),(5,11),(9,15),(9,19)}