Please help! Conditional probability

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30