Question 1:   What is f(f(2)) if f(x) = x² + 2?


Question 2: If x² - nx - 32 = 0 when x = 4, what is the value of n?


Question 3:    If f(x) = |x| and g(x) = x², how many solutions has f(x) = g(x)?


Question 4:   
If f(x) = (8x + 5)/(4x-7), what value does f(x) approach as x gets infinitely larger?


Question 5:   A line has parametric equations x = t + 3 and y = t + 9. The slope of the line is:


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