3 years ago

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

1 answer:

7 0

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.

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