+0

# Help please! My homework is due tomorrow!

0
128
1

1. Let $$f(x) = 4x - 7$$$$g(x) = (x + 1)^2$$, and $$s(x) = f(x) + g(x)$$. What is $$s(3)$$?

2. Let $$f(x) = 2x^2 + 3x - 9$$$$g(x) = 5x + 11$$, and $$h(x) = -3x^2 + 1$$. Find $$f(x) - g(x) + h(x)$$.

3. Let $$f(x) = 3x + 2$$ and $$g(x) = x^2 - 5x - 1$$. Find $$f(g(x))$$.

4. The function $$f(x)$$satisfies $$f(\sqrt{x + 1}) = \frac{1}{x}$$ for all $$x \ge -1$$$$x\neq 0$$. Find $$f(2)$$.

If you can, please provide an explanation. Thank you!

Feb 27, 2021