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A function f is defined by f(x)=3x+19. If x increases by 2, by how much does f(x) increase?
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A function f is defined by f(x)=3x+19. If x increases by 2, by how much does f(x) increase?

User Robeson
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the slope of the function is given by the coefficient of x (here it is 3)

so as x increases by 2 f(x) will increase by 3*2 = 6


Answer is 6.
User Summerc
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