Question

In: Advanced Math

For the following exercises, use the information about the graph of a polynomial function to determine the function. Assume the ...The y-intercept is (0, 1). There is no x-intercept. Degree is 4. End behavior: as x → −∞, f(x) → ∞, as x → ∞, f(x) → ∞.

The y-intercept is (0, 1). There is no x-intercept. Degree is 4. End behavior: as x → −∞, f(x) → ∞, as x → ∞, f(x) → ∞.

 

 

Solutions

Expert Solution

Consider a polynomial function of degree 3 and having following x-intercepts and y-intercepts respectively,

(0, 1) → y-intercept

 

There are no x-intercepts

End behavior of the polynomial function is,

x → ∞, f(x) → ∞

x → -∞, f(x) → ∞

 

The end behavior shows that the graph is upwards. This means take the leading coefficient 1.

Consider the following general form of a polynomial function of degree 4.

f(x) = x4 + 1

 

Hence, the polynomial function is f(x) = x4 + 1.


Hence, the polynomial function is f(x) = x4 + 1.

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