Question

Which function is best represented by this graph?

Answer 1

The function best represented by the graph is y = - 5 x + 5 2y = - 5 x + 5². Option B.

Use the vertical line test to determine if a graph represents a function. A graph is a function if a vertical line moves across it and touches it only at one point at a time. If a vertical line touches a graph at multiple points, the graph is not a function.

Calculation:-

X intercept = 2

y intercept = 5

slopt = y/x

= 5/2

= 2.5

For the line to be perpendicular to each other angle must be 90⁰.

Hence option B.

B.y = - 5 x + 5

2y = - 5 x + 5 2

slope m = 5/2

2.5.

A function is defined as a relation between a set of inputs each with an output. Simply put, a function is a relationship between inputs, each associated with exactly one output. Each function has a domain and a codomain or scope. The graph of a quadratic function is called a parabola and has a curved shape. One of the main points of the parabola is the vertex.

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