I need help with these please ALGEBRA

1. Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term.

-3x5 + 9x4 + 5x3 + 3


2. Evaluate : sqrt7x(sqrtx-7sqrt7) show your work.

3. Solve the equation. Check for extraneous solutions. Type your answers in the blanks. Show your work.
|4x+3|=9+2x


x = _____ or _____

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  1. 1. Consider the leading term of the polynomial function - 3x ^ 3 - x . What is the end behavior of the graph?

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