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For what value of the constant c is the function f continuous on (-, )?
f(x) =
cx2 + 4x if x < 1
x3 − cx if x ≥ 1
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If f and g are continuous functions with f(-3) = 3 and the following limit, find g(-3).
lim(4f(x)-g(x))=3
x__-3