Which function has a domain of (-♾, ♾) and a range of (-♾, 4); f(x) = -x^2+ 4
f(x) = 2^x + 4
f(x) = x+4
f(x)= -4x

What is the value of x in the diagram below?

In the next 10 month,colin wants to save $900 for his vacation.he plans to save $75 each of the first 8 months. how much must he save each of the last 2 months in order to meet his goal if he saves the same amount each month ?

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3