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7 votes
7 votes
Which function matches the graph?

A. f(x)=(x + 3)(x - 5)(x + 7)²(x - 2)²
B. f(x) = (x - 3)²(x + 5)²(x-7)(x + 2)
C. f(x) = (x - 3)(x + 5)(x - 7)²(x + 2)²
D. f(x) = (x - 3)²(x + 5)(x-7)(x + 2)²
E. f(x) = (x + 3)²(x - 5)(x-7)²(x + 2)

Which function matches the graph? A. f(x)=(x + 3)(x - 5)(x + 7)²(x - 2)² B. f(x) = (x-example-1
User NBW
by
2.5k points

1 Answer

17 votes
17 votes

Answer:

Choice B

Explanation:

The graph crosses the xy-plane at the following places for x:

x = -5

x = -2

x = 3

x = 7

Look at choice B.

Setting (x - 3)^2, (x + 5)^2, (x - 7) and (x + 2) to zero and solving for x leads to the crossing locations on the xy-plane as shown on the graph.

User Chamod
by
2.9k points
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