Complete the below:
1. Determine whether the equation defines a function with independent variable x. If it does, find the domain. If it does not, find a value of x to which there corresponds more than one value of y.
x|y| = x + 9
2. Use the graph of the function to estimate:
![1093_Graph.jpg](https://secure.tutorsglobe.com/CMSImages/1093_Graph.jpg)
a. f(2)
b. f(-4)
c. All x such that f(x) = 0
3. For the following graph:
![1471_Function.jpg](https://secure.tutorsglobe.com/CMSImages/1471_Function.jpg)
a. Find the domain of f.
b. Find the range of f.
c. Find the x-intercepts.
d. Find the y-intercept.
e. Find the intervals over which f is increasing.
f. Find the intervals over which f is decreasing.
g. Find the intervals over which f is constant.
h. Find any points of discontinuity.
4. Use the following to answer questions a-d:
f(x) = x2 + x and g(x) = x - 5
a. Find h(x) = (f ? g)(x).
b. State the domain of h(x) = (f ? g)(x).
c. Find h(x) = (g ? f)(x).
d. State the domain of h(x) = (g ? f)(x).
5. The graph of the polynomial function P(x) is shown.
![1265_Polynomial function.jpg](https://secure.tutorsglobe.com/CMSImages/1265_Polynomial function.jpg)
a. List the real zeros of P(x).
b. List the turning points of P(x).
c. State the left and right behavior of P(x).
6. $2,350 is invested in account paying 9% compounded semiannually. How much will the account be worth after 8 years? Show your work.
7. Change each exponential form to an equivalent logarithmic form:
a. 32 = 25
b. 1/125 = 25-3/2
c. 12 = 1441/2
8. Change each logarithmic form to an equivalent exponential form:
a. log381 = 4
b. log 100.0001 = -4
c. log3(1/243)=-5