A Function
Source:
February 7, 2009
function
Problem Statement
If f(x) \equal{} 5x^2 \minus{} 2x \minus{} 1, then f(x \plus{} h) \minus{} f(x) equals:
(A)\ 5h^2 \minus{} 2h \qquad (B)\ 10xh \minus{} 4x \plus{} 2 \qquad (C)\ 10xh \minus{} 2x \minus{} 2 \\
(D)\ h(10x \plus{} 5h \minus{} 2) \qquad (E)\ 3h