Free ACT Practice Questions

Question 1 of 1
ID: ACT-M-10
Section: Math
Topics: Algebra; Functions
Difficulty level: Easy

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If $f(x)=x^3-kx^2+2x$ and $f(2)=6$, what is the value of $k$?

A$\frac{3}{2}$
B$\frac{5}{2}$
C$3$
D$6$
E$\frac{15}{2}$
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