The function y = 10x + 100 represents the amount y (in dollars) of money in your bank account after you babysit for x hours.
a. identify the independent and dependent variables
b. you babysit for 4 hours. find the domain and range of the function

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Need on this one asap im almost done with this subject

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)