Explain how to use a graph of the function f(x) to
find (3).

For f(3), the input is 3 and you are looking for the output. To determine the function's value when x = 3, go to the value of 3 on the x-axis and then locate a point on the graph for that value of x. Determine the value of y from the y-axis at that location on the graph.

-3

Step-by-step f(x)3

X+3=0

X=-3

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

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