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Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75