Mathematics Homework Help

I’m trying to learn for my Calculus class and I’m stuck. Can you help?

All topics should include a graph illustrating your problem along with key points and values identified. One free graphing tool available is DESMOS Calculator

Evaluate and simplify f(x)=x³ + k for {f(x+x)-f(x)}/x. Include the ENTIRE equation for f(x) as your first line of your post. Use “^” for exponent in your title.
The value of k is different .
k=2,
k=3,

Please solve both values of k.