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Math 100A
Solving Linear Functions I
Name:
1. Let f (x) = 4x + 3. Find the value(s) of x for which f (x) = g(x), if any. How many times do
the graphs of f (x) and g(x) intersect?
(a) g(x) = 7
(b) g(x) = 4(x + 1) + 1
(c) g(x) = 4(x + 1) − 1
(d) g(x) = 5(x + 3) − 2x + 7
2. Decide for what values of the constant A (if any) the equation has the solution x = 0, a positive
solution in x, or no solution in x.
(a) 3x = A
(b) 3x + A = 5
(c) Ax + 3 = Ax + 5
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