17 . E
First find the inverse of f(x):Now find f(−3) and f −1(−3):And now, to get f(−3)f−1(−3), multiply:f(−3) f−1(−3)= 13(1) = 1318 . E
To find the original polynomial, multiply 3 x + 4 by 2 x^2 + 5x − 3 and then add the remainder 3
to the result:
19 . D
When x is not an integer, the floor and ceiling are 1 apart. In other words,