Find the value for the function.
-Find $f ( x - 1 )$ when $f ( x ) = 5 x ^ { 2 } - 3 x + 1$
A) $5 x ^ { 2 } + 2 x + 3$
B) $5 x ^ { 2 } - 13 x + 9$
C) $5 x ^ { 2 } - 13 x + 3$
D) $- 13 x ^ { 2 } + 5 x + 9$

Question

Quizplus · Accepted Answer

To find $f(x-1)$, substitute $x-1$ for $x$ in the given function $f(x) = 5x^2 - 3x + 1$. This gives $f(x-1) = 5(x-1)^2 - 3(x-1) + 1$. Expanding and simplifying, $f(x-1) = 5(x^2 - 2x + 1) - 3x + 3 + 1 = 5x^2 - 10x + 5 - 3x + 4 = 5x^2 - 13x + 9$.

Find the Value for the Function f(x−1)f ( x - 1 )f(x−1)

Find the Value for the Function $f ( x - 1 )$